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The Lower Animals, On The Other Hand, Must Have Their Bodily Structure Modified In Order To Survive Under Greatly Changed Conditions. They Must Be Rendered Stronger, Or Acquire More Effective Teeth Or Claws, In Order To Defend Themselves From New Enemies; Or They Must Be Reduced In Size So As To Escape Detection And Danger. When They Migrate Into A Colder Climate They Must Become Clothed With Thicker Fur, Or Have Their Constitutions Altered. If They Fail To Be Thus Modified, They Will Cease To Exist.

-Charles Darwin

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The Lower Animals, On

Charles Darwin

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The Lower Animals, On The Other Hand, Must Have Their Bodily Structure Modified In Order To Survive Under Greatly Changed Conditions. They Must Be Rendered Stronger, Or Acquire More Effective Teeth Or Claws, In Order To Defend Themselves From New Enemies; Or They Must Be Reduced In Size So As To Escape Detection And Danger. When They Migrate Into A Colder Climate They Must Become Clothed With Thicker Fur, Or Have Their Constitutions Altered. If They Fail To Be Thus Modified, They Will Cease To Exist.

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As Buds Give Rise By Growth To Fresh Buds, And These, If Vigorous, Branch Out And Overtop On All Sides Many A Feebler Branch, So By Generation I Believe It Has Been With The Great Tree Of Life, Which Fills With Its Dead And Broken Branches The Crust Of The Earth, And Covers The Surface With Its Ever Branching And Beautiful Ramifications.

In The Distant Future I See Open Fields For Far More Important Researches. Psychology Will Be Based On A New Foundation, That Of The Necessary Acquirement Of Each Mental Power And Capacity By Gradation. Light Will Be Thrown On The Origin Of Man And His History.

From The War Of Nature, From Famine And Death, The Most Exalted Object Which We Are Capable Of Conceiving, Namely, The Production Of Higher Animals, Directly Follows.

I Have Called This Principle, By Which Each Slight Variation, If Useful, Is Preserved, By The Term Natural Selection, In Order To Mark Its Relation To Man's Power Of Selection. But The Expression Often Used By Mr. Herbert Spencer Of The Survival Of The Fittest Is More Accurate, And Is Sometimes Equally Convenient.

With Highly Civilised Nations Continued Progress Depends In A Subordinate Degree On Natural Selection; For Such Nations Do Not Supplant And Exterminate One Another As Do Savage Tribes.

Blushing Is The Most Peculiar And The Most Human Of All Expressions. Monkeys Redden From Passion, But It Would Require An Overwhelming Amount Of Evidence To Make Us Believe That Any Animal Could Blush.

Mathematics Seems To Endow One With Something Like A New Sense.

I Worked On True Baconian Principles, And Without Any Theory Collected Facts.

But Geology Carries The Day: It Is Like The Pleasure Of Gambling, Speculating, On First Arriving, What The Rocks May Be; I Often Mentally Cry Out 3 To 1 Tertiary Against Primitive; But The Latter Have Hitherto Won All The Bets.

Man Tends To Increase At A Greater Rate Than His Means Of Subsistence.

Man Selects Only For His Own Good: Nature Only For That Of The Being Which She Tends.

Origin Of Species

If Man Had Not Been His Own Classifier, He Would Never Have Thought Of Founding A Separate Order For His Own Reception.

Freedom Of Thought Is Best Promoted By The Gradual Illumination Of Men’s Minds Which Follows From The Advance Of Science.

Extinction Has Only Separated Groups: It Has By No Means Made Them; For If Every Form Which Has Ever Lived On This Earth Were Suddenly To Reappear, Though It Would Be Quite Impossible To Give Definitions By Which Each Group Could Be Distinguished From Other Groups, As All Would Blend Together By Steps As Fine As Those Between The Finest Existing Varieties, Nevertheless A Natural Classification, Or At Least A Natural Arrangement, Would Be Possible.

The Chief Distinction In The Intellectual Powers Of The Two Sexes Is Shown By Mans Attaining To A Higher Eminence, In Whatever He Takes Up, Than The Woman. Whether Deep Thought, Reason, Or Imagination Or Merely The Use Of The Senses And Hands.....we May Also Infer.....the Average Mental Power In Man Must Be Above That Of Woman.

The Survival Or Preservation Of Certain Favoured Words In The Struggle For Existence Is Natural Selection.

Natural Selection Acts Solely By Accumulating Slight Successive Favorable Variations, It Can Produce No Great Or Sudden Modification; It Can Act Only By Very Short Steps.

Ignorance More Frequently Begets Confidence Than Does Knowledge.

I Long To Set Foot Where No Man Has Trod Before.

I Have Steadily Endeavored To Keep My Mind Free So As To Give Up Any Hypothesis, However Much Beloved (and I Cannot Resist Forming One On Every Subject), As Soon As The Facts Are Shown To Be Opposed To It.

The Normal Food Of Man Is Vegetable.

How Fleeting Are The Wishes And Efforts Of Man! How Short His Time! And Consequently How Poor Will His Products Be, Compared With Those Accumulated By Nature During Whole Geological Periods. Can We Wonder, Then, That Nature's Productions Should Be Far 'truer' In Character Than Man's Productions; That They Should Be Infinitely Better Adapted To The Most Complex Conditions Of Life, And Should Plainly Bear The Stamp Of Far Higher Workmanship?

I Am Turned Into A Sort Of Machine For Observing Facts And Grinding Out Conclusions.

Wherever The European Has Trod, Death Seems To Pursue The Aboriginal.

To Suppose That The Eye Could Have Been Formed By Natural Selection, Seems, I Freely Confess, Absurd In The Highest Possible Degree

Theory Of Evolution

Creation Science

May We Not Suspect That The Vague But Very Real Fears Of Children, Which Are Quite Independent Of Experience, Are The Inherited Effects Of Real Dangers And Abject Superstitions During Ancient Savage Times?

That There Is Much Suffering In The World No One Disputes. Which Is More Likely, That Pain And Evil Are The Result Of An All-powerful And Good God, Or The Product Of Uncaring Natural Forces? The Presence Of Much Suffering Agrees Well With The View That All Organic Beings Have Been Developed Through Variation And Natural Selection.

I Have Watched How Steadily The General Feeling, As Shown At Elections, Has Been Rising Against Slavery. What A Proud Thing For England If She Is The First European Nation Which Utterly Abolishes It! I Was Told Before Leaving England That After Living In Slave Countries All My Opinions Would Be Altered; The Only Alteration I Am Aware Of Is Forming A Much Higher Estimate Of The Negro Character.

To Conclude, Therefore, Let No Man Out Of A Weak Conceit Of Sobriety, Or An Ill-applied Moderation, Think Or Maintain, That A Man Can Search Too Far Or Be Too Well Studied In The Book Of God's Word, Or In The Book Of God's Works; Divinity Or Philosophy; But Rather Let Men Endeavour An Endless Progress Or Proficience In Both."—bacon: "advancement Of Learning".

Of All The Differences Between Man And The Lower Animals, The Moral Sense Or Conscience Is By Far The Most Important. This Sense, As Mackintosh Remarks, "has A Rightful Supremacy Over Every Other Principle Of Human Action"; It Is Summed Up In That Short But Imperious Word "ought," So Full Of High Significance. It Is The Most Noble Of All The Attributes Of Man, Leading Him Without A Moment's Hesitation To Risk His Life For That Of A Fellow-creature; Or After Due Deliberation, Impelled Simply By The Deep Feeling Of Right Or Duty, To Sacrifice It In Some Great Cause.

Building A Better Mousetrap Merely Results In Smarter Mice.

Nature Will Tell You A Direct Lie If She Can.

Music Was Known And Understood Before Words Were Spoken.

...for The Shield May Be As Important For Victory, As The Sword Or Spear.

It Is A Truly Wonderful Fact - The Wonder Of Which We Are Apt To Overlook From Familiarity - That All Animals And All Plants Throughout All Time And Space Should Be Related To Each Other In Group Subordinate To Group.

As Natural Selection Acts By Competition, It Adapts The Inhabitants Of Each Country Only In Relation To The Degree Of Perfection Of Their Associates; So That We Need Feel No Surprise At The Inhabitants Of Any One Country, Although On The Ordinary View Supposed To Have Been Specially Created And Adapted For That Country, Being Beaten And Supplanted By The Naturalised Productions From Another Land.

As Natural Selection Works Solely By And For The Good Of Each Being, All Corporeal And Mental Endowments Will Tend To Progress Toward Perfection.

The Season Of Love Is That Of Battle. The Roots Of These Fights Run Deep.

This Fundamental Subject Of Natural Selection Will Be Treated At Some Length In The Fourth Chapter; And We Shall Then See How Natural Selection Almost Inevitably Causes Much Extinction Of The Less Improved Forms Of Life And Induces What I Have Called Divergence Of Character.

My Mind Seems To Have Become A Kind Of Machine For Grinding General Laws Out Of Large Collections Of Facts, But Why This Should Have Caused The Atrophy Of That Part Of The Brain That Alone On Which The Higher Tastes Depend, I Cannot Conceive. A Man With A Mind More Highly Organised Or Better Constituted Than Mine Would Not, I Suppose, Have Thus Suffered, And If I Had To Live My Life Over Again, I Would Have Made A Rule To Read Some Poetry And Listen To Some Music At Least Once Every Week; For Perhaps The Parts Of My Brain Now Atrophied Would Thus Have Been Kept Alive Through Use.

In My Most Extreme Fluctuations I Have Never Been An Atheist In The Sense Of Denying The Existence Of A God ... I Think That Generally (& More And More So As I Grow Older) But Not Always, That An Agnostic Would Be The Most Correct Description Of My State Of Mind.

It Is Often Said That All The Conditions For The First Production Of A Living Organism Are Now Present, Which Could Ever Have Been Present. But If (and Oh! What A Big If!) We Could Conceive In Some Warm Little Pond, With All Sorts Of Ammonia And Phosphoric Salts, Light, Heat, Electricity, &c., Present, That A Proteine Compound Was Chemically Formed Ready To Undergo Stillmore Complex Changes, At The Present Day Such Matter Would Be Instantly Devoured Or Absorbed, Which Would Not Have Been The Case Before Living Creatures Were Formed.

I Have Rarely Read Anything Which Has Interested Me More, Though I Have Not Read As Yet More Than A Quarter Of The Book Proper. From Quotations Which I Had Seen, I Had A High Notion Of Aristotle's Merits, But I Had Not The Most Remote Notion What A Wonderful Man He Was. Linnaeus And Cuvier Have Been My Two Gods, Though In Very Different Ways, But They Were Mere Schoolboys To Old Aristotle.

Disbelief Crept Over Me At A Very Slow Rate, But At Last It Was Complete.

Linnaeus And Cuvier Have Been My Two Gods, Though In Very Different Ways, But They Were Mere Schoolboys To Old Aristotle.

It Has Sometimes Been Said That The Success Of The Origin Proved "that The Subject Was In The Air," Or "that Men's Minds Were Prepared For It." I Do Not Think That This Is Strictly True, For I Occasionally Sounded Not A Few Naturalists, And Never Happened To Come Across A Single One Who Seemed To Doubt About The Permanence Of Species.

The More We Know Of The Fixed Laws Of Nature The More Incredible Do Miracles Become, - That The Men At That Time Were Ignorant And Credulous To A Degree Almost Incomprehensible By Us, - That The Gospels Cannot Be Proved To Have Been Written Simultaneously With The Events, - That They Differ In Many Important Details, Far Too Important As It Seemed To Me To Be Admitted As The Usual Inaccuracies Of Eye-witnesses; - By Such Reflections As These... I Gradually Came To Disbelieve In Christianity As A Divine Revelation.

Englishmen Rarely Cry, Except Under The Pressure Of The Acutest Grief; Whereas In Some Parts Of The Continent The Men Shed Tears Much More Readily And Freely.

I Shall Always Feel Respect For Every One Who Has Written A Book, Let It Be What It May, For I Had No Idea Of The Trouble Which Trying To Write Common English Could Cost One—and Alas There Yet Remains The Worst Part Of All Correcting The Press.

Jealousy Was Plainly Exhibited When I Fondled A Large Doll, And When I Weighed His Infant Sister, He Being Then 15? Months Old. Seeing How Strong A Feeling Of Jealousy Is In Dogs, It Would Probably Be Exhibited By Infants At Any Earlier Age Than Just Specified If They Were Tried In A Fitting Manner

A Cell Is A Complex Structure, With Its Investing Membrane, Nucleus, And Nucleolus.

I Conclude That The Musical Notes And Rhythms Were First Acquired By The Male Or Female Progenitors Of Mankind For The Sake Of Charming The Opposite Sex.

A Grain In The Balance Will Determine Which Individual Shall Live And Which Shall Die - Which Variety Or Species Shall Increase In Number, And Which Shall Decrease, Or Finally Become Extinct.

We Thus Learn That Man Is Descended From A Hairy Quadruped, Furnished With A Tail And Pointed Ears, Probably Arboreal In Its Habits, And An Inhabitant Of The Old World.

... If Variations Useful To Any Organic Being Do Occur, Assuredly Individuals Thus Characterized Will Have The Best Chance Of Being Perserved In The Struggle For Life; And From The Strong Principle Of Inheritance They Will Tend To Produce Offsping Similarly Characterized. This Principle Of Preservation, I Have Called, For The Sake Of Brevity, Natural Selection.

We Feel Surprise When Travellers Tell Us Of The Vast Dimensions Of The Pyramids And Other Great Ruins, But How Utterly Insignificant Are The Greatest Of These, When Compared To These Mountains Of Stone Accumulated By The Agency Of Various Minute And Tender Animals!

It Is Easy To Specify The Individual Objects Of Admiration In These Grand Scenes; But It Is Not Possible To Give An Adequate Idea Of The Higher Feelings Of Wonder, Astonishment, And Devotion, Which Fill And Elevate The Mind.

Every New Body Of Discovery Is Mathematical In Form, Because There Is No Other Guidance We Can Have.

It Is Absurd To Talk Of One Animal Being Higher Than Another...we Consider Those, Where The Intellectual Faculties Most Developed As The Highest. - A Bee Doubtless Would [use] ... Instincts As A Criteria.

When The Sexes Differ In Beauty, In The Power Of Singing, Or In Producing What I Have Called Instrumental Music, It Is Almost Invariably The Male Which Excels The Female.

The Age-old And Noble Thought Of 'i Will Lay Down My Life To Save Another,' Is Nothing More Than Cowardice.

With Savages, The Weak In Body Or Mind Are Soon Eliminated. We Civilized Men, On The Other Hand, Do Our Utmost To Check The Process Of Elimination. We Build Asylums For The Imbecile, The Maimed And The Sick. Thus The Weak Members Of Civilized Societies Propagate Their Kind. No One Who Has Attended To The Breeding Of Domestic Animals Will Doubt That This Must Be Highly Injurious To The Race Of Man. Hardly Anyone Is So Ignorant As To Allow His Worst Animals To Breed.

Theory Of Evolution

Whenever I Have Found That I Have Blundered, Or That My Work Has Been Imperfected, And When I Have Been Contemptuously Criticised, And Even When I Have Been Overpraised, So That I Have Felt Mortified, It Has Been My Greatest Comfort To Say Hundreds Of Times To Myself That 'i Have Worked As Hard As I Could, And No Man Can Do More Than This.'

The More Efficient Causes Of Progress Seem To Consist Of A Good Education During Youth Whilst The Brain Is Impressible, And Of A High Standard Of Excellence, Inculcated By The Ablest And Best Men, Embodied In The Laws, Customs And Traditions Of The Nation, And Enforced By Public Opinion.

How So Many Absurd Rules Of Conduct, As Well As So Many Absurd Religious Beliefs, Have Originated, We Do Not Know; Nor How It Is That They Have Become, In All Quarters Of The World, So Deeply Impressed On The Minds Of Men; But It Is Worthy Of Remark That A Belief Constantly Inculcated During The Early Years Of Life, While The Brain Is Impressionable, Appears To Acquire Almost The Nature Of An Instinct; And The Very Essence Of An Instinct Is That It Is Followed Independently Of Reason.

I Have Just Finished My Sketch Of My Species Theory. If As I Believe That My Theory Is True & If It Be Accepted Even By One Competent Judge, It Will Be A Considerable Step In Science. I Therefore Write This, In Case Of My Sudden Death, As My Most Solemn & Last Request, Which I Am Sure You Will Consider The Same As If Legally Entered In My Will, That You Will Devote 400£ To Its Publication & Further Will Yourself, Or Through Hensleigh [wedgwood], Take Trouble In Promoting It.

If A Person Asked My Advice, Before Undertaking A Long Voyage, My Answer Would Depend Upon His Possessing A Decided Taste For Some Branch Of Knowledge, Which Could By This Means Be Advanced. No Doubt It Is A High Satisfaction To Behold Various Countries And The Many Races Of Mankind, But The Pleasures Gained At The Time Do Not Counterbalance The Evils.

The Number Of Humble-bees In Any District Depends In A Great Degree On The Number Of Field-mice, Which Destroy Their Combs And Nests; And Mr. H. Newman, Who Has Long Attended To The Habits Of Humble-bees, ... Says "near Villages And Small Towns I Have Found The Nests Of Humble-bees More Numerous Than Elsewhere, Which I Attribute To The Number Of Cats That Destroy The Mice." Hence It Is Quite Credible That The Presence Of A Feline Animal In Large Numbers In A District Might Determine, Through The Intervention First Of Mice And Then Of Bees, The Frequency Of Certain Flowers In That District!

A Mathematician Is A Blind Man In A Dark Room Looking For A Black Cat Which Isn't There.

It May Be Said That Natural Selection Is Daily And Hourly Scrutinizing, Throughout The World, Every Variation, Even The Slightest; Rejecting That Which Is Bad, Preserving And Adding Up All That Is Good; Silently And Insensibly Working, Wherever And Whenever Opportunity Offers, At The Improvement Of Each Organic Being In Relation To Its Organic And Inorganic Conditions Of Life.

I Am Not The Least Afraid To Die

Famous Last Words

I Am Dying By Inches, From Not Having Any Body To Talk To About Insects.

...conscience Looks Backwards And Judges Past Actions, Inducing That Kind Of Dissatisfaction, Which If Weak We Call Regret, And If Severe Remorse.

I Could Show Fight On Natural Selection Having Done And Doing More For The Progress Of Civilization Than You Seem Inclined To Admit. Remember What Risk The Nations Of Europe Ran, Not So Many Centuries Ago Of Being Overwhelmed By The Turks, And How Ridiculous Such An Idea Now Is! The More Civilised So-called Caucasian Races Have Beaten The Turkish Hollow In The Struggle For Existence. Looking To The World At No Very Distant Date, What An Endless Number Of The Lower Races Will Have Been Eliminated By The Higher Civilized Races Throughout The World.

I Cannot Anyhow Be Contented To View This Wonderful Universe, And Especially The Nature Of Man, And To Conclude That Everything Is The Result Of Brute Force. I Am Inclined To Look At Everything As Resulting From Designed Laws, With The Details, Whether Good Or Bad, Left To The Working Out Of What We Call Chance. Not That This Notion At All Satisfies Me. I Feel Most Deeply That The Whole Subject Is Too Profound For The Human Intellect. A Dog Might As Well Speculate On The Mind Of Newton. Let Each Man Hope And Believe What He Can.

When I View All Beings Not As Special Creations, But As The Lineal Descendants Of Some Few Beings Which Lived Long Before The First Bed Of The Cambrian System Was Deposited, They Seem To Me To Become Ennobled.

It Is Certain That There May Be Extraordinary Mental Activity With An Extremely Small Absolute Mass Of Nervous Matter: Thus The Wonderfully Diversified Instincts, Mental Powers, And Affections Of Ants Are Notorious, Yet Their Cerebral Ganglia Are Not So Large As The Quarter Of A Small Pin's Head. Under This Point Of View, The Brain Of An Ant Is One Of The Most Marvelous Atoms Of Matter In The World, Perhaps More So Than The Brain Of A Man.

It Is Always Advisable To Perceive Clearly Our Ignorance.

A Surprising Number [of Novels] Have Been Read Aloud To Me, And I Like All If Moderately Good, And If They Do Not End Unhappily-against Which A Law Ought To Be Passed.

We Are Always Slow In Admitting Any Great Change Of Which We Do Not See The Intermediate Steps

Only The Fittest Will Survive.

After Five Years' Work I Allowed Myself To Speculate On The Subject, And Drew Up Some Short Notes; These I Enlarged In 1844 Into A Sketch Of The Conclusions, Which Then Seemed To Me Probable: From That Period To The Present Day I Have Steadily Pursued The Same Object. I Hope That I May Be Excused For Entering On These Personal Details, As I Give Them To Show That I Have Not Been Hasty In Coming To A Decision.‎

At No Time Am I A Quick Thinker Or Writer: Whatever I Have Done In Science Has Solely Been By Long Pondering, Patience And Industry.

When It Was First Said That The Sun Stood Still And World Turned Round, The Common Sense Of Mankind Declared The Doctrine False; But The Old Saying Of Vox Populi, Vox Dei [the Voice Of The People Is The Voice Of God], As Every Philosopher Knows, Cannot Be Trusted In Science.

Who When Examining In The Cabinet Of The Entomologist The Gay And Exotic Butterflies, And Singular Cicadas, Will Associate With These Lifeless Objects, The Ceaseless Harsh Music Of The Latter, And The Lazy Flight Of The Former - The Sure Accompaniments Of The Still, Glowing Noonday Of The Tropics.

Some Few, And I Am One Of Them, Even Wish To God, Though At The Loss Of Millions Of Lives, That The North Would Proclaim A Crusade Against Slavery. In The Long-run, A Million Horrid Deaths Would Be Amply Repaid In The Cause Of Humanity. Great God! How I Should Like To See The Greatest Curse On Earth - Slavery - Abolished!

You Will Be Astonished To Find How The Whole Mental Disposition Of Your Children Changes With Advancing Years. A Young Child And The Same When Nearly Grown, Sometimes Differ Almost As Much As Do A Caterpillar And Butterfly.

Till Facts Are Grouped & Called There Can Be No Prediction. The Only Advantage Of Discovering Laws Is To Foretell What Will Happen & To See Bearing Of Scattered Facts.

Mere Chance ... Alone Would Never Account For So Habitual And Large An Amount Of Difference As That Between Varieties Of The Same Species.

Origin Of Species

The School As A Means Of Education To Me Was Simply A Blank.

It May Be Doubted That There Are Many Other Animals Which Have Played So Important A Part In The History Of The World As Have These Lowly Organized Creatures.

I Always Make Special Notes About Evidence That Contridicts Me: Supportive Evidence I Can Remember Without Trying.

I Hate A Barnacle As No Man Ever Did Before, Not Even A Sailor In A Slow-sailing Ship.

Our Faculties Are More Fitted To Recognize The Wonderful Structure Of A Beetle Than A Universe.

We Are Not Here Concerned With Hopes Or Fears, Only With Truth As Far As Our Reason Permits Us To Discover It.

Nothing Before Had Ever Made Me Thoroughly Realise, Though I Had Read Various Scientific Books, That Science Consists In Grouping Facts So That General Laws Or Conclusions May Be Drawn From Them.

So In Regard To Mental Qualities, Their Transmission Is Manifest In Our Dogs, Horses And Other Domestic Animals. Besides Special Tastes And Habits, General Intelligence, Courage, Bad And Good Tempers. Etc., Are Certainly Transmitted.

I Have Been Speculating Last Night What Makes A Man A Discoverer Of Undiscovered Things. As Far As I Can Conjecture The Art Consists In Habitually Searching For The Causes And Meaning Of Everything Which Occurs.

The Lower Animals, Like Man, Manifestly Feel Pleasure And Pain, Happiness And Misery. Happiness Is Never Better Exhibited Than By Young Animals, Such As Puppies, Kittens, Lambs, &c., When Playing Together, Like Our Own Children.

The Following Proposition Seems To Me In A High Degree Probable—namely, That Any Animal Whatever, Endowed With Well-marked Social Instincts, The Parental And Filial Affections Being Here Included, Would Inevitably Acquire A Moral Sense Or Conscience, As Soon As Its Intellectual Powers Had Become As Well, Or Nearly As Well Developed, As In Man. For, Firstly, The Social Instincts Lead An Animal To Take Pleasure In The Society Of Its Fellows, To Feel A Certain Amount Of Sympathy With Them, And To Perform Various Services For Them.

A Republic Cannot Succeed, Till It Contains A Certain Body Of Men Imbued With The Principles Of Justice And Honour.

There Is A Grandeur In This View Of Life, From So Simple A Beginning Endless Forms Most Beautiful Are Being Evolved

So Great Is The Economy Of Nature, That Most Flowers Which Are Fertilised By Crepuscular Or Nocturnal Insects Emit Their Odour Chiefly Or Exclusively In The Evening.

Every One Must Be Struck With Astonishment, When He First Beholds One Of These Vast Rings Of Coral-rock, Often Many Leagues In Diameter, Here And There Surmounted By A Low Verdant Island With Dazzling White Shores, Bathed On The Outside By The Foaming Breakers Of The Ocean, And On The Inside Surrounding A Calm Expanse Of Water, Which, From Reflection, Is Of A Bright But Pale Green Color.

Great Is The Power Of Steady Misrepresentation; But The History Of Science Shows That Fortunately This Power Does Not Long Endure.

Light May Be Shed On Man And His Origins.

About Thirty Years Ago There Was Much Talk That Geologists Ought Only To Observe And Not Theorise; And I Well Remember Some One Saying That At This Rate A Man Might As Well Go Into A Gravel-pit And Count The Pebbles And Describe The Colours. How Odd It Is That Anyone Should Not See That All Observation Must Be For Or Against Some View If It Is To Be Of Any Service!

Animals Manifestly Enjoy Excitement, And Suffer From Annul And May Exhibit Curiosity.

The Earthquake, However, Must Be To Every One A Most Impressive Event: The Earth, Considered From Our Earliest Childhood As The Type Of Solidity, Has Oscillated Like A Thin Crust Beneath Our Feet; And In Seeing The Laboured Works Of Man In A Moment Overthrown, We Feel The Insignificance Of His Boasted Power.

I Am Actually Weary Of Telling People That I Do Not Pretend To Adduce [direct] Evidence Of One Species Changing Into Another, But I Believe That This View Is In The Main Correct, Because So Many Phenomena Can Thus Be Grouped End Explained.

But When On Shore, & Wandering In The Sublime Forests, Surrounded By Views More Gorgeous Than Even Claude Ever Imagined, I Enjoy A Delight Which None But Those Who Have Experienced It Can Understand.

Light Will Be Thrown On The Origin Of Man And His History.

Theory Of Evolution

He Who Understands Baboon Would Do More Towards Metaphysics Than Locke.

A Bad Earthquake At Once Destroys The Oldest Associations: The World, The Very Emblem Of All That Is Solid, Has Moved Beneath Our Feet Like A Crust Over A Fluid; One Second Of Time Has Conveyed To The Mind A Strange Idea Of Insecurity, Which Hours Of Reflection Would Never Have Created.

I Would Give Absolutely Nothing For The Theory Of Natural Selection, If It Requires Miraculous Additions At Any One Stage Of Descent.

The Main Conclusion Here Arrived At ... Is That Man Is Descended From Some Less Highly Organized Form.

Our Descent, Then, Is The Origin Of Our Evil Passions!! The Devil Under Form Of Baboon Is Our Grandfather.

Language Is An Art, Like Brewing Or Baking.... It Certainly Is Not A True Instinct, For Every Language Has To Be Learnt.

The Young Blush Much More Freely Than The Old But Not During Infancy, Which Is Remarkable, As We Know That Infants At A Very Early Age Redden From Passion.

Sympathy For The Lowest Animals Is One Of The Noblest Virtues With Which Man Is Endowed.

The Highest Possible Stage In Moral Culture Is When We Recognize That We Ought To Control Our Thoughts.

We Have Seen That The Senses And Intuitions, The Various Emotions And Faculties, Such As Love, Memory, Attention And Curiosity, Imitation, Reason, Etc., Of Which Man Boasts, May Be Found In An Incipient, Or Even Sometimes In A Well-developed Condition, In The Lower Animals.

We Behold The Face Of Nature Bright With Gladness.

Origin Of Species

The Formation Of Different Languages And Of Distinct Species And The Proofs That Both Have Been Developed Through A Gradual Process, Are Curiously Parallel.

The Lower Animals, On The Other Hand, Must Have Their Bodily Structure Modified In Order To Survive Under Greatly Changed Conditions. They Must Be Rendered Stronger, Or Acquire More Effective Teeth Or Claws, In Order To Defend Themselves From New Enemies; Or They Must Be Reduced In Size So As To Escape Detection And Danger. When They Migrate Into A Colder Climate They Must Become Clothed With Thicker Fur, Or Have Their Constitutions Altered. If They Fail To Be Thus Modified, They Will Cease To Exist.

History Shows That The Human Mind, Fed By Constant Accessions Of Knowledge, Periodically Grows Too Large For Its Theoretical Coverings, And Bursts Them Asunder To Appear In New Habiliments, As The Feeding And Growing Grub, At Intervals, Casts Its Too Narrow Skin And Assumes Another.

I Cannot See ... Evidence Of Design And Beneficence ... There Seems To Me Too Much Misery In The World.

I Had Gradually Come, By This Time [1839-01], To See That The Old Testament From Its Manifestly False History Of The World, With The Tower Of Babel, The Rainbow As A Sign, Etc., Etc. And From Its Attributing To God The Feelings Of A Revengeful Tyrant, Was No More To Be Trusted Than The Sacred Books Of The Hindoos, Or The Beliefs Of Any Barbarian.

When The Views Entertained In This Volume On The Origin Of Species, Or When Analogous Views Are Generally Admitted, We Can Dimly Forsee That There Will Be A Considerable Revolution In Natural History.

It's Not The Strongest, But The Most Adaptable That Survive.

I Love Fools' Experiments. I Am Always Making Them.

Theory Of Evolution

On The Ordinary View Of Each Species Having Been Independently Created, We Gain No Scientific Explanation.

Among The Scenes Which Are Deeply Impressed On My Mind, None Exceed In Sublimity The Primeval [tropical] Forests, ... Temples Filled With The Varied Productions Of The God Of Nature. No One Can Stand In These Solitudes Unmoved, And Not Feel That There Is More In Man Than The Mere Breath Of His Body.

I Was A Young Man With Uninformed Ideas. I Threw Out Queries, Suggestions, Wondering All The Time Over Everything; And To My Astonishment The Ideas Took Like Wildfire. People Made A Religion Of Them.

It Is Not The Strongest Of The Species That Survives, Nor The Most Intelligent That Survives. It Is The One That Is The Most Adaptable To Change, That Lives Within The Means Available And Works Co-operatively Against Common Threats.

[alexander Von Humboldt Was The] Greatest Scientific Traveller Who Ever Lived.

It Has Been A Bitter Mortification For Me To Digest The Conclusion That The "race Is For The Strong" And That I Shall Probably Do Little More But Be Content To Admire The Strides Others Made In Science.

It Occurred To Me, In 1837, That Something Might Perhaps Be Made Of This Question (the Origin Of The Species) By Patiently Accumulating And Reflecting On All Sorts Of Facts Which Could Possibly Have Any Bearing On It

We Cannot Fathom The Marvelous Complexity Of An Organic Being; But On The Hypothesis Here Advanced This Complexity Is Much Increased. Each Living Creature Must Be Looked At As A Microcosm--a Little Universe, Formed Of A Host Of Self-propagating Organisms, Inconceivably Minute And As Numerous As The Stars In Heaven.

My Books Have Sold Largely In England, Have Been Translated Into Many Languages, And Passed Through Several Editions In Foreign Countries. I Have Heard It Said That The Success Of A Work Abroad Is The Best Test Of Its Enduring Value. I Doubt Whether This Is At All Trustworthy; But Judged By This Standard My Name Ought To Last For A Few Years.

You Ask About My Opinion On Vivisection. I Quite Agree That It Is Justifiable For Real Investigations On Physiology; But Not For Mere Damnable And Detestable Curiosity.

In Regard To The Amount Of Difference Between The Races, We Must Make Some Allowance For Our Nice Powers Of Discrimination Gained By A Long Habit Of Observing Ourselves.

The Explanation Of Types Of Structure In Classes - As Resulting From The Will Of The Deity, To Create Animals On Certain Plans - Is No Explanation. It Has Not The Character Of A Physical Law And Is Therefore Utterly Useless. It Foretells Nothing Because We Know Nothing Of The Will Of The Deity, How It Acts And Whether Constant Or Inconstant Like That Of Man.

Man Himself Cannot Express Love And Humility By External Signs, So Plainly As Does A Dog, When With Drooping Ears, Hanging Lips, Flexuous Body, And Wagging Tail, He Meets His Beloved Master.

I Cannot Persuade Myself That A Beneficient And Omnipotent God Would Have Designedly Created...that A Cat Should Play With Mice.

We Can Allow Satellites, Planets, Suns, Universe, Nay Whole Systems Of Universes, To Be Governed By Laws, But The Smallest Insect, We Wish To Be Created At Once By Special Act.

Theory Of Evolution

As The Sense Of Smell Is So Intimately Connected With That Of Taste, It Is Not Surprising That An Excessively Bad Odour Should Excite Wretching Or Vomitting In Some Persons.

I Have Long Discovered That Geologists Never Read Each Other's Works, And That The Only Object In Writing A Book Is A Proof Of Earnestness.

Consequently, If My Theory Be True, It Is Indisputable That Before The Lowest Silurian Stratum Was Deposited, Long Periods Elapsed, As Long As, Or Probably Far Longer Than, The Whole Interval From The Silurian Age To The Present Day; And That During These Vast, Yet Quite Unknown, Periods Of Time, The World Swarmed With Living Creatures. To The Question Why We Do Not Find Records Of These Vast Primordial Periods, I Can Give No Satisfactory Answer.

On Your Life, Underestimating The Proclivities Of Finches Is Likely To Lead To Great Internal Hemorrhaging.

The Most Powerful Natural Species Are Those That Adapt To Environmental Change Without Losing Their Fundamental Identity Which Gives Them Their Competitive Advantage.

Thomson's Views On The Recent Age Of The World Have Been For Some Time One Of My Sorest Troubles.

Only Picture To Yourself A Nice Soft Wife On A Sofa With Good Fire, & Books & Music.

My Mind Seems To Have Become A Kind Of Machine For Grinding General Laws Out Of Large Collections Of Facts.

If The Misery Of The Poor Be Caused Not By The Laws Of Nature, But By Our Institutions, Great Is Our Sin.

Sympathy Beyond The Confines Of Man, That Is, Humanity To The Lower Animals, Seems To Be One Of The Latest Moral Acquisitions.

Man, Wonderful Man, Must Collapse, Into Nature's Cauldron, He Is No Deity, He Is No Exception.

Not One Change Of Species Into Another Is On Record ... We Cannot Prove That A Single Species Has Been Changed.

The Assumed Instinctive Belief In God Has Been Used By Many Persons As An Argument For His Existence. But This Is A Rash Argument, As We Should Thus Be Compelled To Believe In The Existence Of Many Cruel And Malignant Spirits, Only A Little More Powerful Than Man; For The Belief In Them Is Far More General Than In A Beneficent Deity.

The Presence Of A Body Of Well-instructed Men, Who Have Not To Labor For Their Daily Bread, Is Important To A Degree Which Cannot Be Overestimated; As All High Intellectual Work Is Carried On By Them, And On Such Work Material Progress Of All Kinds Mainly Depends, Not To Mention Other And Higher Advantages.

I Often Had To Run Very Quickly To Be On Time, And From Being A Fleet Runner Was Generally Successful; But When In Doubt I Prayed Earnestly To God To Help Me, And I Well Remember That I Attributed My Success To The Prayers And Not To My Quick Running, And Marvelled How Generally I Was Aided.

A Man Who Has No Assured And Ever Present Belief In The Existence Of A Personal God Or Of A Future Existence With Retribution And Reward, Can Have For His Rule Of Life, As Far As I Can See, Only To Follow Those Impulses And Instincts Which Are The Strongest Or Which Seem To Him The Best Ones

Owing To This Struggle For Life, Any Variation, However Slight And From Whatever Cause Proceeding, If It Be In Any Degree Profitable To An Individual Of Any Species, In Its Infinitely Complex Relationship To Other Organic Beings And To External Nature, Will Tend To The Preservation Of That Individual, And Will Generally Be Inherited By Its Offspring.

Even People Who Aren’t Geniuses Can Outthink The Rest Of Mankind If They Develop Certain Thinking Habits.

I Suppose You Are Two Fathoms Deep In Mathematics, And If You Are, Then God Help You. For So Am I, Only With This Difference: I Stick Fast In The Mud At The Bottom, And There I Shall Remain.

We Fancied Even That The Bushes Smelt Unpleasantly.

I Liked The Thought Of Being A Country Clergyman. Accordingly I Read With Care Pearson On The Creed And A Few Other Books On Divinity; And As I Did Not Then In The Least Doubt The Strict And Literal Truth Of Every Word In The Bible, I Soon Persuaded Myself That Our Creed Must Be Fully Accepted.

But Then With Me The Horrid Doubt Always Arises Whether The Convictions Of Man's Mind, Which Has Been Developed From The Mind Of The Lower Animals, Are Of Any Value Or At All Trustworthy. Would Any One Trust In The Convictions Of A Monkey's Mind, If There Are Any Convictions In Such A Mind?

Even When We Are Quite Alone, How Often Do We Think With Pleasure Or Pain Of What Others Think Of Us - Of Their Imagined Approbation Or Disapprobation.

If It Could Be Demonstrated That Any Complex Organ Existed, Which Could Not Possibly Have Been Formed By Numerous, Successive, Slight Modifications, My Theory Would Absolutely Break Down. But I Can Find No Such Case.

Theory Of Evolution

Creation Science

Evolution Of Man

...one Doubts Existence Of Free Will [because] Every Action Determined By Heredity, Constitution, Example Of Others Or Teaching Of Others." "this View Should Teach One Profound Humility, One Deserves No Credit For Anything...nor Ought One To Blame Others.

An Agnostic Would Be The More Correct Description Of My State Of Mind.

Everything In Nature Is The Result Of Fixed Laws.

It Is Well-known That Those Who Have Charge Of Young Infants, That It Is Difficult To Feel Sure When Certain Movements About Their Mouths Are Really Expressive; That Is When They Really Smile. Hence I Carefully Watched My Own Infants. One Of Them At The Age Of Forty-five Days, And Being In A Happy Frame Of Mind, Smiled... I Observed The Same Thing On The Following Day: But On The Third Day The Child Was Not Quite Well And There Was No Trace Of A Smile, And This Renders It Probable That The Previous Smiles Were Real.

...i Have Always Maintained That, Excepting Fools, Men Did Not Differ Much In Intellect, Only In Zeal And Hard Work; And I Still Think There Is An Eminently Important Difference.

What Can Be More Curious Than That The Hand Of A Man, Formed For Grasping, That Of A Mole For Digging, The Leg Of The Horse, The Paddle Of The Porpoise, And The Wing Of The Bat, Should All Be Constructed On The Same Pattern?

Nothing Is Easier Than To Admit In Words The Truth Of The Universal Struggle For Life, Or More Difficult - At Least I Have Found It So - Than Constantly To Bear This Conclusion In Mind...we Behold The Face Of Nature Bright With Gladness...we Do Not See, Or We Forget, That The Birds Which Are Idly Singing Round Us Mostly Live On Insects And Seeds, And Are Thus Constantly Destroying Life.

From My Early Youth I Have Had The Strongest Desire To Understand Or Explain Whatever I Observed. ... To Group All Facts Under Some General Laws.

The Theory Which I Would Offer, Is Simply, That As The Land With The Attached Reefs Subsides Very Gradually From The Action Of Subterranean Causes, The Coral-building Polypi Soon Raise Again Their Solid Masses To The Level Of The Water: But Not So With The Land; Each Inch Lost Is Irreclaimably Gone; As The Whole Gradually Sinks, The Water Gains Foot By Foot On The Shore, Till The Last And Highest Peak Is Finally Submerged.

Progress Has Been Much More General Than Retrogression

It At Once Struck Me That Under These Circumstances Favourable Variations Would Tend To Be Preserved, And Unfavourable Ones To Be Destroyed.

Now When Naturalists Observe A Close Agreement In Numerous Small Details Of Habits, Tastes And Dispositions Between Two Or More Domestic Races, Or Between Nearly-allied Natural Forms, They Use This Fact As An Argument That All Are Descended From A Common Progenitor Who Was Thus Endowed; And Consequently That All Should Be Classed Under The Same Species. The Same Argument May Be Applied With Much Force To The Races Of Man.

A Moral Being Is One Who Is Capable Of Reflecting On His Past Actions And Their Motives - Of Approving Of Some And Disapproving Of Others.

Any One Whose Disposition Leads Him To Attach More Weight To Unexplained Difficulties Than To The Explanation Of Facts Will Certainly Reject My Theory.

Each Organic Being Is Striving To Increase In A Geometrical Ratio . . . Each At Some Period Of Its Life, During Some Season Of The Year, During Each Generation Or At Intervals, Has To Struggle For Life And To Suffer Great Destruction . . . The Vigorous, The Healthy, And The Happy Survive And Multiply.

From The First Dawn Of Life, All Organic Beings Are Found To Resemble Each Other In Descending Degrees, So That They Can Be Classed In Groups Under Groups. This Classification Is Evidently Not Arbitrary Like The Grouping Of Stars In Constellations.

A Novel According To My Taste, Does Not Come Into The Moderately Good Class Unless It Contains Some Person Whom One Can Thoroughly Love - And If A Pretty Woman, All The Better.

I Look At The Natural Geological Record As A History Of The World Imperfectly Kept And Written In A Changing Dialect; Of This History We Possess The Last Volume Alone, Relating Only To Two Or Three Countries. Of This Volume, Only Here And There A Short Chapter Has Been Preserved; And Of Each Page, Only Here And There A Few Lines.

The World Will Not Be Inherited By The Strongest, It Will Be Inherited By Those Most Able To Change.

In The Struggle For Survival, The Fittest Win Out At The Expense Of Their Rivals Because They Succeed In Adapting Themselves Best To Their Environment.

It Is Not The Most Intellectual Of The Species That Survives; It Is Not The Strongest That Survives; But The Species That Survives Is The One That Is Able Best To Adapt And Adjust To The Changing Environment In Which It Finds Itself.

Changing Environment

Your Words Have Come True With A Vengeance That I Shd [should] Be Forestalled ... I Never Saw A More Striking Coincidence. If Wallace Had My M.s. Sketch Written Out In 1842 He Could Not Have Made A Better Short Abstract! Even His Terms Now Stand As Heads Of My Chapters.

The Noble Science Of Geology Loses Glory From The Extreme Imperfection Of The Record. The Crust Of The Earth With Its Embedded Remains Must Not Be Looked At As A Well-filled Museum, But As A Poor Collection Made At Hazard And At Rare Intervals.

Man Is Descended From A Hairy, Tailed Quadruped, Probably Arboreal In Its Habits.

The Love Of A Dog For His Master Is Notorious; In The Agony Of Death He Has Been Known To Caress His Master, And Everyone Has Heard Of The Dog Suffering Under Vivisection, Who Licked The Hand Of The Operator; This Man, Unless He Had A Heart Of Stone, Must Have Felt Remorse To The Last Hour Of His Life.

Nothing Can Be More Improving To A Young Naturalist, Than A Journey In A Distant Country.

Nothing Exists For Itself Alone, But Only In Relation To Other Forms Of Life

There Is Grandeur In This View Of Life, With Its Several Powers, Having Been Originally Breathed Into A Few Forms Or Into One; And That, Whilst This Planet Has Gone Cycling On According To The Fixed Law Of Gravity, From So Simple A Beginning Endless Forms Most Beautiful And Most Wonderful Have Been, And Are Being, Evolved.

The Most Energetic Workers I Have Encountered In My World Travels Are The Vegetarian Miners Of Chile.

Hereafter We Shall Be Compelled To Acknowledge That The Only Distinction Between Species And Well-marked Varieties Is, That The Latter Are Known, Or Believed To Be Connected At The Present Day By Intermediate Gradations Whereas Species Were Formerly Thus Connected.

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