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Science Is Much More Than A Body Of Knowledge. It Is A Way Of Thinking. This Is Central To Its Success. Science Invites Us To Let The Facts In, Even When They Don't Conform To Our Preconceptions. It Counsels Us To Carry Alternative Hypotheses In Our Heads And See Which Ones Best Match The Facts. It Urges On Us A Fine Balance Between No-holds-barred Openness To New Ideas, However Heretical, And The Most Rigorous Skeptical Scrutiny Of Everything - New Ideas And Established Wisdom.

-Carl Sagan

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Science Is Much More

Carl Sagan

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Science Is Much More Than A Body Of Knowledge. It Is A Way Of Thinking. This Is Central To Its Success. Science Invites Us To Let The Facts In, Even When They Don't Conform To Our Preconceptions. It Counsels Us To Carry Alternative Hypotheses In Our Heads And See Which Ones Best Match The Facts. It Urges On Us A Fine Balance Between No-holds-barred Openness To New Ideas, However Heretical, And The Most Rigorous Skeptical Scrutiny Of Everything - New Ideas And Established Wisdom.

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Our Children Long For Realistic Maps Of The Future That They Can Be Proud Of. Where Are The Cartographers Of Human Purpose?

The Total Number Of Stars In The Universe Is Larger Than All The Grains Of Sand On All The Beaches Of The Planet Earth.

Even Through Your Hardest Days, Remember We Are All Made Of Stardust.

You Have To Know The Past To Understand The Present.

My Wonder Button Is Being Pushed All The Time.

The Visions We Offer Our Children Shape The Future.

One Of The Greatest Gifts Adults Can Give - To Their Offspring And To Their Society - Is To Read To Children.

I'd Like The [cosmos] Series To Be So Visually Stimulating That Somebody Who Isn't Even Interested In The Concepts Will Just Watch For The Effects. And I'd Like People Who Are Prepared To Do Some Thinking To Be Really Stimulated.

The Lifetime Of A Human Being Is Measured By Decades, The Lifetime Of The Sun Is A Hundred Million Times Longer. Compared To A Star, We Are Like Mayflies, Fleeting Ephemeral Creatures Who Live Out Their Lives In The Course Of A Single Day.

Maxwell's Equations Have Had A Greater Impact On Human History Than Any Ten Presidents.

Probably A Dozen Times Since Their Death I've Heard My Mother Or Father, In An Ordinary Conversational Tone Of Voice, Call My Name. They Had Called My Name Often During My Life With Them ... It Doesn't Seem Strange To Me.

I Find Science So Much More Fascinating Than Science Fiction. It Also Has The Advantage Of Being True.

It Means Nothing To Be Open To A Proposition We Don't Understand.

We Are Made Of Starstuff.

Observation: I Can't See A Thing. Conclusion: Dinosaurs.

If You Wish To Make An Apple Pie From Scratch, You Must First Invent The Universe.

Eratosthenes Was The Director Of The Great Library Of Alexandria, The Centre Of Science And Learning In The Ancient World. Aristotle Had Argued That Humanity Was Divided Into Greeks And Everybody Else, Whom He Called Barbarians And That The Greeks Should Keep Themselves Racially Pure. He Thought It Was Fitting For The Greeks To Enslave Other Peoples. But Erathosthenes Criticized Aristotle For His Blind Chauvinism, He Believed There Was Good And Bad In Every Nation.

Better The Hard Truth, I Say, Than The Comforting Fantasy.

I Would Suggest That Science Is, At Least In My Part, Informed Worship.

Science Is Far From A Perfect Instrument Of Knowledge. It's Just The Best We Have.

A Tiny Blue Dot Set In A Sunbeam. Here It Is. That's Where We Live. That's Home. We Humans Are One Species And This Is Our World. It Is Our Responsibility To Cherish It. Of All The Worlds In Our Solar System, The Only One So Far As We Know, Graced By Life.

In The Long Run, The Aggressive Civilizations Destroy Themselves, Almost Always. It's Their Nature. They Can't Help It.

Frederick Douglas Taught That Literacy Is The Path From Slavery To Freedom. There Are Many Kinds Of Slavery And Many Kinds Of Freedom, But Reading Is Still The Path.

Writing Is Perhaps The Greatest Of Human Inventions.

Because Men, Compared To Male Chimps, Have Such Relatively Small Testicles (large Testicles Indicate A Species Where Many Males Mate, One After The Other, With The Same Female), We Might Guess That Promiscuous Societies Were Uncommon In The Immediate Human Past.

When We Look Up At Night And View The Stars, Everything We See Is Shinning Because Of Distant Nuclear Fusion.

In Exchange For Freedom Of Inquiry, Scientists Are Obliged To Explain Their Work.

When A Honeybee Dies It Releases A Death Pheromone, A Characteristic Odour That Signals The Survivors To Remove It From The Hive. The Corpse Is Promptly Pushed And Tugged Out Of The Hive. The Death Pheromone Is Oleic Acid. What Happens If A Live Bee Is Dabbed With A Drop Of Oleic Acid? Then No Matter How Strapping And Vigourous It Might Be, It Is Carried Kicking And Screaming Out Of The Hive.

The Neurochemistry Of The Brain Is Astonishingly Busy, The Circuitry Of A Machine More Wonderful Than Any Devised By Humans. But There Is No Evidence That Its Functioning Is Due To Anything More Than The 10(14) Neural Connections That Build An Elegant Architecture Of Consciousness.

We Are The Product Of 4.5 Billion Years Of Fortuitous, Slow Biological Evolution. There Is No Reason To Think That The Evolutionary Process Has Stopped. Man Is A Transitional Animal. He Is Not The Climax Of Creation.

But The Fact That Some Geniuses Were Laughed At Does Not Imply That All Who Are Laughed At Are Geniuses. They Laughed At Columbus, They Laughed At Fulton, They Laughed At The Wright Brothers. But They Also Laughed At Bozo The Clown.

I Would Be Very Ashamed Of My Civilization If We Did Not Try To Find Out If There Is Life In Outer Space.

We Are Star Stuff Harvesting Sunlight.

Both The Freudian And The Platonic Metaphors Emphasize The Considerable Independence Of And Tension Among The Constituent Parts Of The Psyche, A Point That Characterizes The Human Condition.

Science Cuts Two Ways, Of Course; Its Products Can Be Used For Both Good And Evil. But There's No Turning Back From Science. The Early Warnings About Technological Dangers Also Come From Science.

In Our Time, We Have Sifted The Sands Of Mars, We Have Established A Presence There, We Have Fulfilled A Century Of Dreams!

All Of The Rocky And Metallic Material We Stand On, The Iron In Our Blood, The Calcium In Our Teeth, The Carbon In Our Genes Were Produced Billions Of Years Ago In The Interior Of A Red Giant Star. We Are Made Of Star Stuff.

For Me, The Most Ironic Token Of [the First Human Moon Landing] Is The Plaque Signed By President Richard M. Nixon That Apollo 11 Took To The Moon. It Reads, ‘we Came In Peace For All Mankind.’ As The United States Was Dropping Seven And A Half Megatons Of Conventional Explosives On Small Nations In Southeast Asia, We Congratulated Ourselves On Our Humanity. We Would Harm No One On A Lifeless Rock.

Who Will Speak For Planet Earth?

We Are Not Smart Enough To Decide Which Pieces Of Knowledge Are Permissible And Which Are Not.

He Didn't Want To Believe. He Wanted To Know.

'in His Celebrated Book, 'on Liberty', The English Philosopher John Stuart Mill Argued That Silencing An Opinion Is "a Peculiar Evil." If The Opinion Is Right, We Are Robbed Of The "opportunity Of Exchanging Error For Truth"; And If It's Wrong, We Are Deprived Of A Deeper Understanding Of The Truth In Its "collision With Error." If We Know Only Our Own Side Of The Argument, We Hardly Know Even That: It Becomes Stale, Soon Learned By Rote, Untested, A Pallid And Lifeless Truth.'

We On Earth Have Just Awakened To The Great Oceans Of Space And Time From Which We Have Emerged. We Are The Legacy Of 15 Billion Years Of Cosmic Evolution. We Have A Choice: We Can Enhance Life And Come To Know The Universe That Made Us, Or We Can Squander Our 15 Billion-year Heritage In Meaningless Self-destruction. What Happens In The First Second Of The Next Cosmic Year Depends On What We Do, Here And Now, With Our Intelligence And Our Knowledge Of The Cosmos.

Virtually Every Major Technological Advance In The History Of The Human Species - Back To The Invention Of Stone Tools And The Domestication Of Fire - Has Been Ethically Ambiguous.

The Impediment To Scientific Thinking Is Not, I Think, The Difficulty Of The Subject. Complex Intellectual Feats Have Been Mainstays Even Of Oppressed Cultures. Shamans, Magicians And Theologians Are Highly Skilled In Their Intricate And Arcane Arts. No, The Impediment Is Political And Hierarchical.

But I Could Be Wrong.

The Immense Distances To The Stars And The Galaxies Mean That We See Everything Ins Pace Int He Past, Some As They Were Before The Earth Came To Be. Telescopes Are Time Machines.

If I Finish A Book A Week, I Will Read Only A Few Thousand Books In My Lifetime, About A Tenth Of A Percent Of The Contents Of The Greatest Libraries Of Our Time. The Trick Is To Know Which Books To Read.

Modern Darwinism Makes It Abundantly Clear That Many Less Ruthless Traits, Some Not Always Admired By Robber Barons And Fuhrers - Altruism, General Intelligence, Compassion - May Be The Key To Survival.

In A Complex Universe, In A Society Undergoing Unprecedented Change, How Can We Find The Truth If We Are Not Willing To Question Everything And To Give A Fair Hearing To Everything?

The Price We Pay For Anticipation Of The Future Is Anxiety About It

Some Racists Still Reject The Plain Testimony Written In The Dna That All The Races Are Not Only Human But Nearly Indistinguishable. . . .

What Is Called For Is An Exquisite Balance Between Two Conflicting Needs: The Most Skeptical Scrutiny Of All Hypotheses That Are Served Up To Us And At The Same Time A Great Openness To New Ideas. If You Are Only Skeptical, Then No New Ideas Make It Through To You. On The Other Hand, If You Are Open To The Point Of Gullibility And Have Not An Ounce Of Skeptical Sense In You, Then You Cannot Distinguish Useful Ideas From The Worthless Ones.

It Is All A Matter Of Time Scale. An Event That Would Be Unthinkable In A Hundred Years May Be Inevitable In A Hundred Million.

I Went To The Librarian And Asked For A Book About Stars.... And The Answer Was Stunning. It Was That The Sun Was A Star But Really Close. The Stars Were Suns, But So Far Away They Were Just Little Points Of Light.... The Scale Of The Universe Suddenly Opened Up To Me. It Was A Kind Of Religious Experience. There Was A Magnificence To It, A Grandeur, A Scale Which Has Never Left Me. Never Ever Left Me.

Our Passion For Learning ... Is Our Tool For Survival.

Each Of Us Is A Tiny Being, Permitted To Ride On The Outermost Skin Of One Of The Smaller Planets For A Few Dozen Trips Around The Local Star.

It's A Lazy Saturday Afternoon, There's A Couple Lying Naked In Bed Reading Encyclopediea Brittannica To Each Other, And Arguing About Whether The Andromeda Galaxy Is More 'numinous' Than The Ressurection. Do They Know How To Have A Good Time, Or Don't They?

Since World War Ii, Japan Has Spawned Enormous Numbers Of New Religions Featuring The Supernatural.... In Thailand, Diseases Are Treated With Pills Manufactured From Pulverized Sacred Scripture. Witches Are Today Being Burned In South Africa.... The Worldwide Tm [transcendental Meditation] Organization Has An Estimated Valuation Of $3 Billion. For A Fee, They Promise To Make You Invisible, To Enable You To Fly.

(when Asked Merely If They Accept Evolution, 45 Percent Of Americans Say Yes. The Figure Is 70 Percent In China.) When The Movie Jurassic Park Was Shown In Israel, It Was Condemned By Some Orthodox Rabbis Because It Accepted Evolution And Because It Taught That Dinosaurs Lived A Hundred Million Years Ago-when, As Is Plainly Stated At Every Rosh Hashonhan And Every Jewish Wedding Ceremony, The Universe Is Less Than 6,000 Years Old.

There Is A Reward Structure In Science That Is Very Interesting: Our Highest Honors Go To Those Who Disprove The Findings Of The Most Revered Among Us. So Einstein Is Revered Not Just Because He Made So Many Fundamental Contributions To Science, But Because He Found An Imperfection In The Fundamental Contribution Of Isaac Newton.

Imagine A Room Awash In Gasoline, And There Are Two Implacable Enemies In That Room. One Of Them Has Nine Thousand Matches. The Other Has Seven Thousand Matches. Each Of Them Is Concerned About Who's Ahead, Who's Stronger. Well That's The Kind Of Situation We Are Actually In. The Amount Of Weapons That Are Available To The United States And The Soviet Union Are So Bloated, So Grossly In Excess Of What's Needed To Dissuade The Other, That If It Weren't So Tragic, It Would Be Laughable. What Is Necessary Is To Reduce The Matches And To Clean Up The Gasoline.

The Candle Flame Gutters. Its Little Pool Of Light Trembles. Darkness Gathers. The Demons Begin To Stir.

The Values Of Science And The Values Of Democracy Are Concordant, In Many Cases Indistinguishable. Science And Democracy Began - In Their Civilized Incarnations - In The Same Time And Place, Greece In The Seventh And Sixth Centuries B.c. . . . Science Thrives On, Indeed Requires, The Free Exchange Of Ideas; Its Values Are Antithetical To Secrecy. Science Holds To No Special Vantage Points Or Privileged Positions. Both Science And Democracy Encourage Unconventional Opinions And Vigorous Debate. Both Demand Adequate Reason, Coherent Argument, Rigorous Standards Of Evidence And Honesty.

A Book Is Made From A Tree. It Is An Assemblage Of Flat, Flexible Parts (still Called "leaves") Imprinted With Dark Pigmented Squiggles. One Glance At It And You Hear The Voice Of Another Person, Perhaps Someone Dead For Thousands Of Years. Across The Millennia, The Author Is Speaking, Clearly And Silently, Inside Your Head, Directly To You. Writing Is Perhaps The Greatest Of Human Inventions, Binding Together People, Citizens Of Distant Epochs, Who Never Knew One Another. Books Break The Shackles Of Time ― Proof That Humans Can Work Magic.

It Is Of Interest To Note That While Some Dolphins Are Reported To Have Learned English - Up To Fifty Words Used In Correct Context - No Human Being Has Been Reported To Have Learned Dolphinese.

We've Begun At Last To Wonder About Our Origins, Star Stuff Contemplating The Stars, Organized Collections Of Ten Billion Billion Billion Atoms Contemplating The Evolution Of Matter, Tracing That Long Path By Which It Arrived At Consciousness Here On The Planet Earth And Perhaps Throughout The Cosmos. Our Obligation To Survive And Flourish Is Owed Not Just To Ourselves But Also To That Cosmos, Ancient And Vast, From Which We Spring.

The Cosmos Is All That Is Or Ever Was Or Ever Will Be.

There Is A Lurking Fear That Some Things Are Not “meant" To Be Known, That Some Inquiries Are Too Dangerous For Human Beings To Make.

Keeping Secrets

Some Things Are Meant To Be

But Down Deep, At The Molecular Heart Of Life We're Essentially Identical To Trees.

We Are The First Species To Have Taken Our Evolution Into Our Own Hands.

If The Greenhouse Effect Is A Blanket In Which We Wrap Ourselves To Keep Warm, Nuclear Winter Kicks The Blanket Off.

The Significance Of Our Lives And Our Fragile Planet Is Then Determined Only By Our Own Wisdom And Courage. We Are The Custodians Of Life's Meaning. We Long For A Parent To Care For Us, To Forgive Us Our Errors, To Save Us From Our Childish Mistakes. But Knowledge Is Preferable To Ignorance. Better By Far To Embrace The Hard Truth Than A Reassuring Fable. If We Crave Some Cosmic Purpose, Then Let Us Find Ourselves A Worthy Goal.

Scientists Constantly Get Clobbered With The Idea That We Spent 27 Billion Dollars On The Apollo Programs, And Are Asked "what More Do You Want?" We Didn't Spend It; It Was Done For Political Reasons. ... Apollo Was A Response To The Bay Of Pigs Fiasco And To The Successful Orbital Flight Of Yuri Gagarin. President Kennedy's Objective Was Not To Find Out The Origin Of The Moon By The End Of The Decade; Rather It Was To Put A Man On The Moon And Bring Him Back, And We Did That.

It Is Sometimes Said That Scientists Are Unromantic, That Their Passion To Figure Out Robs The World Of Beauty And Mystery. But Is It Not Stirring To Understand How The World Actually Works — That White Light Is Made Of Colors, That Color Is The Way We Perceive The Wavelengths Of Light, That Transparent Air Reflects Light, That In So Doing It Discriminates Among The Waves, And That The Sky Is Blue For The Same Reason That The Sunset Is Red? It Does No Harm To The Romance Of The Sunset To Know A Little Bit About It.

We Can Always Take But Never Give.

The Big Bang Is Our Modern Scientific Creation Myth. It Comes From The Same Human Need To Solve The Cosmological Riddle [where Did The Universe Come From?]

We Live On A Hunk Of Rock And Metal That Circles A Humdrum Star That Is One Of 400 Billion Other Stars That Make Up The Milky Way Galaxy Which Is One Of Billions Of Other Galaxies Which Make Up A Universe Which May Be One Of A Very Large Number, Perhaps An Infinite Number, Of Other Universes. That Is A Perspective On Human Life And Our Culture That Is Well Worth Pondering.

In The Middle 1970s An Astronomer I Admire Put Together A Modest Manifesto Called "objections To Astrology" And Asked Me To Endorse It. I Struggled With His Wording, And In The End Found Myself Unable To Sign, Not Because I Thought Astrology Has Any Validity Whatever, But Because I Felt (and Still Feel) That The Tone Of The Statement Was Authoritarian.

Any Civilization That Doesn't Develop Space Travel Dies.

The Old Appeals To Racial, Sexual And Religious Chauvinism To Rabid Nationalist Fervor, Are Beginning Not To Work.

For All Our Conceits About Being The Center Of The Universe, We Live In A Routine Planet Of A Humdrum Star Stuck Away In An Obscure Corner ... On An Unexceptional Galaxy Which Is One Of About 100 Billion Galaxies. ... That Is The Fundamental Fact Of The Universe We Inhabit, And It Is Very Good For Us To Understand That.

If All The Suns But Ours Collapsed Tonight, How Many Lifetimes Would It Take Us To Realize That We Were Alone?

Where Did God Come From? If We Decide This Is An Unanswerable Question Why Not Save A Step And Conclude That The Origin Of The Universe Is An Unanswerable Question.

Nevertheless, (jefferson) Believed That The Habit Of Skepticism Is An Essential Prerequisite For Responsible Citizenship. He Argued That The Cost Of Education Is Trivial Compared To The Cost Of Ignorance, Of Leaving Government To The Wolves. He Taught That The Country Is Safe Only When The People Rule.

Science Is A Way Of Thinking Much More Than It Is A Body Of Knowledge.

Atoms Are Mainly Empty Space. Matter Is Composed Chiefly Of Nothing.

We Can't Help It. Life Looks For Life.

We Go About Our Daily Lives Understanding Almost Nothing Of The World.

A Proclivity For Science Is Embedded Deeply Within Us, In All Times, Places, And Cultures. It Has Been The Means For Our Survival. It Is Our Birthright. When, Through Indifference, Inattention, Incompetence, Or Fear Of Skepticism, We Discourage Children From Science, We Are Disenfranchisin G Them, Taking From Them The Tools Needed To Manage Their Future.

My Fundamental Premise About The Brain Is That Its Workings - What We Sometimes Call "mind" - Are A Consequence Of Its Anatomy And Physiology, And Nothing More.

Anatomy And Physiology

...the Idea Of A Spiritual Part Of Our Nature That Survives Death, The Notion Of An Afterlife, Ought To Be Easy For Religions And Nations To Sell. This Is Not An Issue Of Which We Might Anticipate Widespread Skepticism. People Will Want To Believe It, Even If The Evidence Is Meager To Nil... Compelling Testimony ... Provides That Our Personality, Character, Memory ... Resides In The Matter Of The Brain, It Is Easy Not To Focus On It, To Find Ways To Evade The Weight Of The Evidence.

There Are Many Hypotheses In Science Which Are Wrong. That’s Perfectly All Right: It’s The Aperture To Finding Out What’s Right. Science Is A Self-correcting Process.

The Hindu Religion Is The Only One Of The World’s Great Faiths Dedicated To The Idea That The Cosmos Itself Undergoes An Immense, Indeed An Infinite, Number Of Deaths And Rebirths. It Is The Only Religion In Which The Time Scales Correspond, No Doubt By Accident, To Those Of Modern Scientific Cosmology. Its Cycles Run From Our Ordinary Day And Night To A Day And Night Of Brahma, 8.64 Billion Years Long, Longer Than The Age Of The Earth Or The Sun And About Half The Time Since The Big Bang.

In The Vastness Of Space And The Immensity Of Time, It Is My Joy To Share A Planet And An Epoch With Annie.

We Have Also Arranged Things So That Almost No One Understands Science And Technology. This Is A Prescription For Disaster. We Might Get Away With It For A While, But Sooner Or Later This Combustible Mixture Of Ignorance And Power Is Going To Blow Up In Our Faces.

Science Is Based On Experiment, On A Willingness To Challenge Old Dogma, On An Openness To See The Universe As It Really Is. Accordingly, Science Sometimes Requires Courage - At The Very Least The Courage To Question The Conventional Wisdom.

There Is Every Reason To Think That In The Coming Years Mars And Its Mysteries Will Become Increasingly Familiar To The Inhabitants Of The Planet Earth.

It Seems Madness To Say, 'we're Worried That They're Going To Become Addicted To Marijuana' -- There's No Evidence Whatever That It's An Addictive Drug, But Even If It Were, These People Are Dying, What Are We Saving Them From?

We Are One Species. We Are Starstuff.

Stars Are Phoenixes, Rising From Their Own Ashes.

A Celibate Clergy Is An Especially Good Idea, Because It Tends To Suppress Any Hereditary Propensity Toward Fanaticism.

Even Today The Most Jaded City Dweller Can Be Unexpectedly Moved Upon Encountering A Clear Night Sky Studded With Thousands Of Twinkling Stars. When It Happens To Me After All These Years It Still Takes My Breath Away.

We Invest Far Off Places With A Certain Romance... Long Summers, Mild Winters, Rich Harvests, Plentiful Game; None Of Them Lasts For Ever. Your Own Life, Or Your Bands, Or Even Your Species - Might Be Owed To A Restless Few, Drawn By A Craving They Can Hardly Articulate Or Understand, To Undiscovered Lands, And New Worlds.

Science Is A Way Of Thinking That Helps You Not To Fool Yourself.

On The Day That We Do Discover That We Are Not Alone, Our Society May Begin To Evolve And Transform In Some Incredible And Wondrous New Ways.

The Understanding Of The Intent Of The Artist Which I Can Achieve When High Sometimes Carries Over To When I’m Down. This Is One Of Many Human Frontiers Which Cannabis Has Helped Me Traverse.

The Uniqueness Of Humans Has Been Claimed On Many Grounds, But Most Often Because Of Our Tool-making, Culture, Language, Reason And Morality. We Have Them, The Other Animals Don't, And -- So The Argument Goes -- That's That.

Who Are We, If Not Measured By Our Impact On Others?

Ask Courageous Questions. Do Not Be Satisfied With Superficial Answers.

I Think The Health Of Our Civilization, The Depth Of Our Awareness About The Underpinnings Of Our Culture, And Our Concern For The Future, Can All Be Tested By How Well We Support Our Libraries.

There Are Many Other (besides Testosterone) Behaviour-eliciting Hormones Fundamental For Humen Well-being, Including Estrogen And Progesterone In Females. The Fact That Complex Behavioural Patterns Can Be Triggered By A Tiny Concentration Of Moleculas Coursing Through The Bloodstream, And That Different Animals Of The Same Species Generate Different Amounts Of These Hormones, Is Something Worth Thinking About When It's Time To Judge Such Matters As Free Will, Individual Responsibility, And Law And Order.

After The Earth Dies, Some 5 Billion Years From Now, After It's Burned To A Crisp, Or Even Swallowed By The Sun, There Will Be Other Worlds And Stars And Galaxies Coming Into Being - And They Will Know Nothing Of A Place Once Called Earth.

This Oak Tree And Me, We're Made Of The Same Stuff.

Knowing A Great Deal Is Not The Same As Being Smart; Intelligence Is Not Information Alone But Also Judgement, The Manner In Which Information Is Coordinated And Used.

We Seem, These Days, Much More Willing To Recognize The Perils Before Us Than We Were Even A Decade Ago. The Newly Recognized Dangers Threaten All Of Us, Equally. No One Can Say How It Will Turn Out Down Here. But This Is Also, We May Note, The First Time That A Species Has Become Able To Journey To The Planets And The Stars. Sailors On A Becalmed Sea, We Sense A Stirring Of The Breeze.

There Is A Report That Says That Kids Who Watch Violent Tv Programs Tend To Be More Violent When They Grow Up. But Did The Tv Cause The Violence, Or Do Violent Children Preferentially Enjoy Watching Violent Programs?

I Think The Discomfort That Some People Feel In Going To The Monkey Cages At The Zoo Is A Warning Sign.

Quickly Capping 363 Oil Well Fires In A War Zone Is Impossible. The Fires Would Burn Out Of Control Until They Put Themselves Out... The Resulting Soot Might Well Stretch Over All Of South Asia... It Could Be Carried Around The World... [and] The Consequences Could Be Dire. Beneath Such A Pall Sunlight Would Be Dimmed, Temperatures Lowered And Droughts More Frequent. Spring And Summer Frosts May Be Expected... This Endangerment Of The Food Supplies... Appears To Be Likely Enough That It Should Affect The War Plans.

Writing A Novel Is Like Trying To Solve A Very Long Mathematical Equation. Changing Anything Can Change Everything Else.

Mathematical Equations

If Intelligence Is Our Only Edge, We Must Learn To Use It Better, To Shape It, To Understand Its Limitations And Deficiencies -- To Use It As Cats Use Stealth, As Katydids Use Camouflage -- To Make It The Tool Of Our Survival.

The Beauty Of A Living Thing Is Not The Atoms That Go Into It, But The Way Those Atoms Are Put Together.

If We Say That God Has Always Been, Why Not Save A Step And Conclude That The Universe Has Always Been?

I Maintain There Is Much More Wonder In Science Than In Pseudoscience. And In Addition, To Whatever Measure This Term Has Any Meaning, Science Has The Additional Virtue, And It Is Not An Inconsiderable One, Of Being True.

How Smart Does A Chimpanzee Have To Be Before Killing Him Constitutes Murder?

Across The Sea Of Space, The Stars Are Other Suns.

Religions Are Tough. Either They Make No Contentions Which Are Subject To Disproof Or They Quickly Redesign Doctrine After Disproof. ... Near The Core Of The Religious Experience Is Something Remarkably Resistant To Rational Inquiry.

Recent Research Shows That Many Children Without Enough To Eat Wind Up With Diminished Capacity To Understand And Learn (“cognitive Impairment” ). Children Don't Have To Be Starving For This To Happen. Even Mild Undernourishment — The Kind Most Common Among Poor People In America — Can Do It.

The Open Road Still Softly Calls.

The Idea That God Is An Oversized White Male With A Flowing Beard, Who Sits In The Sky And Tallies The Fall Of Every Sparrow Is Ludicrous. But If By 'god,' One Means The Set Of Physical Laws That Govern The Universe, Then Clearly There Is Such A God. This God Is Emotionally Unsatisfying... It Does Not Make Much Sense To Pray To The Law Of Gravity.

We All Have A Thirst For Wonder. It's A Deeply Human Quality. Science And Religion Are Both Bound Up With It. What I'm Saying Is, You Don't Have To Make Stories Up, You Don't Have To Exaggerate. There's Wonder And Awe Enough In The Real World. Nature's A Lot Better At Inventing Wonders Than We Are.

But Nature Is Always More Subtle, More Intricate, More Elegant Than What We Are Able To Imagine.

A Galaxy Is Composed Of Gas And Dust And Stars - Billions Upon Billions Of Stars. Every Star May Be A Sun To Someone.

Science Is Only A Latin Word For Knowledge

A Multitude Of Aspects Of The Natural World That Were Considered Miraculous Only A Few Generations Ago Are Now Thoroughly Understood In Terms Of Physics And Chemistry.

You're An Interesting Species, An Interesting Mix. You're Capable Of Such Beautiful Dreams And Such Horrible Nightmares. You Feel So Lost, So Cut Off, So Alone, Only You're Not. See, In All Our Searching, The Only Thing We've Found That Makes The Emptiness Bearable Is Each Other.

Is Mankind Alone In The Universe? Or Are There Somewhere Other Intelligent Beings Looking Up Into Their Night Sky From Very Different Worlds And Asking The Same Kind Of Question?

Whatever The Reason You're On Mars, I'm Glad You're There, And I Wish I Was With You.

In Mozambique, The Story Goes, Monkeys Do Not Talk, Because They Know If They Utter Even A Single Word Some Man Will Come And Put Them To Work.

When Permitted To Listen To Alternative Opinions And Engage In Substantive Debate, People Have Been Known To Change Their Minds. It Can Happen.

Except In Pure Mathematics, Nothing Is Known For Certain (although Much Is Certainly False).

A Millennium Before Europeans Were Willing To Divest Themselves Of The Biblical Idea That The World Was A Few Thousand Years Old, The Mayans Were Thinking Of Millions And The Hindus Billions.

Our Loyalties Are To The Species And The Planet. We Speak For Earth. Our Obligation To Survive Is Owed Not Just To Ourselves But Also To That Cosmos, Ancient And Vast, From Which We Spring.

The Suppression Of Uncomfortable Ideas May Be Common In Religion Or In Politics, But It Is Not The Path To Knowledge; It Has No In The Endeavor Of Science. We Do Not Know In Advance Who Will Discover Fundamental Insights.

Humans Are Very Good At Dreaming, Although You'd Never Know It From Your Television.

We Live At A Moment When Our Relationships To Each Other, And To All Other Beings With Whom We Share This Planet, Are Up For Grabs.

Our Relationship

The Passion To Explore Is At The Heart Of Being Human.

We Need To Reduce Military Budgets; Raise Living Standards; Engender Respect For Learning; Support Science, Scholarship, Invention, And Industry; Promote Free Inquiry; Reduce Domestic Coercion; Involve The Workers More In Managerial Decisions; And Promote Genuine Respect And Understanding Derived From An Acknowledgement Of Our Common Humanity And Our Common Jeopardy.

Common Humanity

Goddard Represented A Unique Combination Of Visionary Dedication And Technological Brilliance. He Studied Physics Because He Needed Physics To Get To Mars. In Reading The Notebooks Of Robert Goddard, I Am Struck By How Powerful His Exploratory And Scientific Motivations Were - And How Influental Speculative Ideas, Even Erroneous Ones, Can Be On The Shaping Of The Future.

We Humans Appear On The Cosmic Calendar So Recently That Our Recorded History Occupies Only The Last Few Seconds Of The Last Minute Of December 31st.

For Myself, I Like A Universe That, Includes Much That Is Unknown And, At The Same Time, Much That Is Knowable. A Universe In Which Everything Is Known Would Be Static And Dull, As Boring As The Heaven Of Some Weak-minded Theologians. A Universe That Is Unknowable Is No Fit Place For A Thinking Being. The Ideal Universe For Us Is One Very Much Like The Universe We Inhabit. And I Would Guess That This Is Not Really Much Of A Coincidence.

Much Of Human History Can, I Think, Be Described As A Gradual And Sometimes Painful Liberation From Provincialism, The Emerging Awareness That There Is More To The World Than Was Generally Believed By Our Ancestors.

Coal, Oil And Gas Are Called Fossil Fuels, Because They Are Mostly Made Of The Fossil Remains Of Beings From Long Ago. The Chemical Energy Within Them Is A Kind Of Stored Sunlight Originally Accumulated By Ancient Plants. Our Civilization Runs By Burning The Remains Of Humble Creatures Who Inhabited The Earth Hundreds Of Millions Of Years Before The First Humans Came On The Scene. Like Some Ghastly Cannibal Cult, We Subsist On The Dead Bodies Of Our Ancestors And Distant Relatives. - Dr. Carl Sagan

Understanding Is A Kind Of Ecstasy

There Are Naive Questions, Tedious Questions, Ill-phrased Questions, Questions Put After Inadequate Self-criticism. But Every Question Is A Cry To Understand The World. There Is No Such Thing As A Dumb Question.

A New Consciousness Is Developing Which Sees The Earth As A Single Organism And Recognizes That An Organism At War With Itself Is Doomed. We Are One Planet.

Since, In The Long Run, Every Planetary Society Will Be Endangered By Impacts From Space, Every Surviving Civilization Is Obliged To Become Spacefaring — Not Because Of Exploratory Or Romantic Zeal, But For The Most Practical Reason Imaginable: Staying Alive.

We Live On A Mote Of Dust Suspended In A Sunbeam

Football Is A Thinly Disguised Re-enactment Of Hunting; We Played It Before We Were Human.

The Sky Calls To Us. If We Do Not Destroy Ourselves, We Will One Day Venture To The Stars.

Human Beings Grew Up In Forests; We Have A Natural Affinity For Them. How Lovely A Tree Is, Straining Toward The Sky.

I Set Before You Two Ways: You Can Use Your Technology To Destroy Yourselves Or To Carry You To The Planets And The Stars. It's Up To You.

All Civilizations Become Either Spacefaring Or Extinct.

For Years I've Been Stressing With Regard To Ufos That Extraordinary Claims Require Extraordinary Evidence.

These Days There Seems To Be Nowhere Left To Explore, At Least On The Land Area Of The Earth. Victims Of Their Very Success, The Explorers Now Pretty Much Stay Home.

If We Long To Believe That The Stars Rise And Set For Us, That We Are The Reason There Is A Universe, Does Science Do Us A Disservice In Deflating Our Conceits?

Extraordinary Claims Demand Extraordinary Evidence

Present Global Culture Is A Kind Of Arrogant Newcomer. It Arrives On The Planetary Stage Following Four And A Half Billion Years Of Other Acts, And After Looking About For A Few Thousand Years Declares Itself In Possession Of Eternal Truths. But In A World That Is Changing As Fast As Ours, This Is A Prescription For Disaster. No Nation, No Religion, No Economic System, No Body Of Knowledge, Is Likely To Have All The Answers For Our Survival. There Must Be Many Social Systems That Would Work Far Better Than Any Now In Existence. In The Scientific Tradition, Our Task Is To Find Them.

Any Faith That Admires Truth, That Strives To Know God, Must Be Brave Enough To Accommodate The Universe.

Otherwise We Don't Run The Government The Government Runs Us

I Would Love To Believe That When I Die I Will Live Again, That Some Thinking, Feeling, Remembering Part Of Me Will Continue.

Our Species Needs, And Deserves, A Citizenry With Minds Wide Awake And A Basic Understanding Of How The World Works.

The Reappearance Of The Crescent Moon After The New Moon; The Return Of The Sun After A Total Eclipse, The Rising Of The Sun In The Morning After Its Troublesome Absence At Night Were Noted By People Around The World; These Phenomena Spoke To Our Ancestors Of The Possibility Of Surviving Death. Up There In The Skies Was Also A Metaphor Of Immortality.

How Lucky We Are To Live In This Time / The First Moment In Human History / When We Are In Fact Visiting Other Worlds

When Kepler Found His Long-cherished Belief Did Not Agree With The Most Precise Observation, He Accepted The Uncomfortable Fact. He Preferred The Hard Truth To His Dearest Illusions, That Is The Heart Of Science.

One Of The Great Commandments Of Science Is: 'mistrust Arguments From Authority.'

I'm Only A Four-dimensional Creature. Haven't Got A Clue How To Visualise Infinity. Even Einstein Hadn't. I Know Because I Asked Him

The Method Of Science, As Stodgy And Grumpy As It May Seem, Is Far More Important Than The Findings Of Science.

The Illegality Of Cannabis Is Outrageous, An Impediment To Full Utilization Of A Drug Which Helps Produce The Serenity And Insight, Sensitivity And Fellowship So Desperately Needed In This Increasingly Mad And Dangerous World.

Dangerous World

I Consider It An Extremely Dangerous Doctrine, Because The More Likely We Are To Assume That The Solution Comes From The Outside, The Less Likely We Are To Solve Our Problems Ourselves.

Except For Fools And Madmen, Everyone Knows That Nuclear War Would He An Unprecedented Human Catastrophe.

All Of The Books In The World Contain No More Information Than Is Broadcast As Video In A Single Large American City In A Single Year. Not All Bits Have Equal Value.

One Glance At A Book And You Hear The Voice Of Another Person, Perhaps Someone Dead For 1,000 Years. To Read Is To Voyage Through Time.

A Single Message From Space Will Show That It Is Possible To Live Through Technological Adolescence. . . . It Is Possible That The Future Of Human Civilization Depends On The Receipt Of Interstellar Messages.

Those With The Courage To Explore The Weave And Structure Of The Cosmos, Even Where It Differs Profoundly From Their Wishes And Prejudices, Will Penetrate Its Deepest Mysteries.

If Chimpanzees Have Consciousness, If They Are Capable Of Abstractions, Do They Not Have What Until Now Has Been Described As 'human Rights'? How Smart Does A Chimp Have To Be Before Killing Him Constitutes Murder?

Science Is Merely An Extremely Powerful Method Of Winnowing What's True From What Feels Good.

I Am Often Amazed At How Much More Capability And Enthusiasm For Science There Is Among Elementary School Youngsters Than Among College Students.

The Hole In The Ozone Layer Is A Kind Of Skywriting. At First It Seemed To Spell Out Our Continuing Complacency Before A Witch's Brew Of Deadly Perils. But Perhaps It Really Tells Of A Newfound Talent To Work Together To Protect The Global Environment.

Somewhere, Something Incredible Is Waiting To Be Known.

[one's] Inability To Invalidate Your Hypothesis Is Not At All The Same Thing As Proving It True.

There Is Never Only One Of Anything In Nature.

We Began As Wanderers, And We Are Wanderers Still.

[kepler] Preferred The Hard Truth To His Dearest Illusions, And That Is The Heart Of Science.

The Secrets Of Evolution Are Death And Time-the Deaths Of Enormous Numbers Of Lifeforms That Were Imperfectly Adapted To The Environment; And Time For A Long Succession Of Small Mutations.

While Our Behavior Is Still Significantly Controlled By Our Genetic Inheritance, We Have, Through Our Brains, A Much Richer Opportunity To Blaze New Behavioral And Cultural Pathways On Short Timescales.

What Began In Deadly Competition Has Helped Us To See That Global Cooperation Is The Essential Precondition For Our Survival. Travel Is Broadening. It's Time To Hit The Road Again.

Nobody Listens To Mathematicians.

For Small Creatures Such As We The Vastness Is Bearable Only Through Love.

The Platonists And Their Christian Successors Held The Peculiar Notion That The Earth Was Tainted And Somehow Nasty, While The Heavens Were Perfect And Divine. The Fundamental Idea That The Earth Is A Planet, That We Are Citizens Of The Universe, Was Rejected And Forgotten.

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