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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.

-Carl Sagan

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We Need To Reduce

Carl Sagan

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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.

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Common Humanity

More From Carl Sagan

The Way To Find Out About Our Place In The Universe Is By Examining The Universe And By Examining Ourselves - Without Preconceptions, With As Unbiased A Mind As We Can Muster.

We Are An Intelligent Species And The Use Of Our Intelligence Quite Properly Gives Us Pleasure. In This Respect The Brain Is Like A Muscle. When We Think Well, We Feel Good. Understanding Is A Kind Of Ecstasy.

The Claim Is Also Sometimes Made That Science Is As Arbitrary Or Irrational As All Other Claims To Knowledge, Or That Reason Itself Is An Illusion. As Ethan Allen Said Those Who Invalidate Reason Ought Seriously To Consider Whether They Argue Against Reason With Or Without Reason; If With Reason, Then They Establish The Principle That They Are Labouring To Dethrone. If They Argue Without Reason, Which They Must Do, In Order To Be Consistent With Themselves, They Are Out Of Reach Of Rational Conviction, Nor Do They Deserve A Rational Argument.

Be Grateful Everyday For The Brief But Magnificent Opportunity That Life Provides.

The Cosmos Is Full Beyond Measure Of Elegant Truths; Of Exquisite Interrelationships; Of The Awesome Machinery Of Nature.

If We Are Merely Matter Intricately Assembled, Is This Really Demeaning? If There's Nothing Here But Atoms, Does That Make Us Less Or Does That Make Matter More?

Whenever Our Ethnic Or National Prejudices Are Aroused, In Times Of Scarcity, During Challenges To National Self Esteem Or Nerve, When We Agonize About Our Diminished Cosmic Place And Purpose, Or When Fanaticism Is Bubbling Up Around Us - Then, Habits Of Thought Familiar From Ages Past Reach For The Controls.

The Dumbing Down Of America Is Evident In The Slow Decay Of Substantive Content, A Kind Of Celebration Of Ignorance.

With Insufficient Data It Is Easy To Go Wrong.

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

People Are Not Stupid. They Believe Things For Reasons. The Last Way For Skeptics To Get The Attention Of Bright, Curious, Intelligent People Is To Belittle Or Condescend Or To Show Arrogance Toward Their Beliefs.

Scientists Make Mistakes. Accordingly, It Is The Job Of The Scientist To Recognize Our Weakness, To Examine The Widest Range Of Opinions, To Be Ruthlessly Self-critical. Science Is A Collective Enterprise With The Error-correction Machinery Often Running Smoothly.

We Are A Way Of The Universe Knowing Itself.

The Open Road Still Softly Calls, Like A Nearly Forgotten Song Of Childhood

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.

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.

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

So Those Who Wished For Some Central Cosmic Purpose For Us, Or At Least Our World, Or At Least Our Solar System, Or At Least Our Galaxy, Have Been Disappointed, Progressively Disappointed. The Universe Is Not Responsive To Our Ambitious Expectations.

Valid Criticism Does You A Favor.

Science Is A Way Of Thinking Much More Than It Is A Body Of Knowledge. Its Goal Is To Find Out How The World Works, To Seek What Regularities There May Be, To Penetrate To The Connections Of Things-from Subatomic Particles, Which May Be The Constituents Of All Matter, To Living Organisms, The Human Social Community, And Thence To The Cosmos As A Whole.

Who Is More Humble? The Scientist Who Looks At The Universe With An Open Mind And Accepts Whatever The Universe Has To Teach Us, Or Somebody Who Says Everything In This Book Must Be Considered The Literal Truth And Never Mind The Fallibility Of All The Human Beings Involved?

In Science It Often Happens That Scientists Say, "you Know That's A Really Good Argument; My Position Is Mistaken..."

Theoretical Physics

We Are A Way For The Cosmos To Know Itself.

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

The Simplest Thought, Like The Concept Of The Number One, Has An Elaborate Logical Underpinning.

The Fact Is That Far More Crime And Child Abuse Has Been Committed By Zealots In The Name Of God, Jesus And Mohammed Than Has Ever Been Committed In The Name Of Satan. Many People Don’t Like That Statement, But Few Can Argue With It.

Arguments From Authority Carry Little Weight – Authorities Have Made Mistakes In The Past. They Will Do So Again In The Future. Perhaps A Better Way To Say It Is That In Science There Are No Authorities; At Most, There Are Experts.

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.

We Are At A Crossroads In Human History. Never Before Has There Been A Moment So Simultaneously Perilous And Promising. We Are The First Species To Have Taken Evolution Into Our Own Hands.

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.

[science] Is Not Perfect. It Can Be Misused. It Is Only A Tool. But It Is By Far The Best Tool We Have, Self-correcting, Ongoing, Applicable To Everything. It Has Two Rules. First: There Are No Sacred Truths; All Assumptions Must Be Critically Examined; Arguments From Authority Are Worthless. Second: Whatever Is Inconsistent With The Facts Must Be Discarded Or Revised. ... The Obvious Is Sometimes False; The Unexpected Is Sometimes True.

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

A Central Lesson Of Science Is That To Understand Complex Issues (or Even Simple Ones), We Must Try To Free Our Minds Of Dogma And To Guarantee The Freedom To Publish, To Contradict, And To Experiment. Arguments From Authority Are Unacceptable.

We Wish To Find The Truth, No Matter Where It Lies. But To Find The Truth We Need Imagination And Skepticism Both. We Will Not Be Afraid To Speculate, But We Will Be Careful To Distinguish Speculation From Fact.

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?]

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.

In College, In The Early 1950s, I Began To Learn A Little About How Science Works, The Secrets Of Its Great Success, How Rigorous The Standards Of Evidence Must Be If We Are Really To Know Something Is True, How Many False Starts And Dead Ends Have Plagued Human Thinking, How Our Biases Can Colour Our Interpretation Of Evidence, And How Often Belief Systems Widely Held And Supported By The Political, Religious And Academic Hierarchies Turn Out To Be Not Just Slightly In Error, But Grotesquely Wrong.

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

My Wonder Button Is Being Pushed All The Time.

You Mustn't Think Of The Universe As A Wilderness. It Hasn't Been That For Billions Of Years," He Said. "think Of It More As... ..cultivated.

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.

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

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.

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.

Extraordinary Observations Require Extraordinary Evidence To Make Them Believable.

When You Buy A Used Car, You Kick The Tires, You Look At The Odometer, You Open Up The Hood. If You Do Not Feel Yourself An Expert In Automobile Engines, You Bring A Friend Who Is. And You Do This With Something As Unimportant As An Automobile. But On The Issues Of The Transcendent, Of Ethics, Of Morals, Of The Origins Of The World, Of The Nature Of Human Beings, On Those Issues Should We Not Insist Upon At Least Equally Skeptical Scrutiny?

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, Jefferson Worried That The People - And The Argument Goes Back To Thucydides And Aristotle - Are Easily Misled. He Also Stressed, Passionately And Repeatedly, That It Was Essential For The People To Understand The Risks And Benefits Of Government, To Educate Themselves, And To Involve Themselves In The Political Process. Without That, He Said, The Wolves Will Take Over.

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.

After I Give Lectures-on Almost Any Subject-i Am Often Asked, "do You Believe In Ufos?" I'm Always Struck By How The Question Is Phrased, The Suggestion That This Is A Matter Of Belief And Not Evidence. I'm Almost Never Asked, "how Good Is The Evidence That Ufos Are Alien Spaceships?"

The Desire To Be Connected With The Cosmos Reflects A Profound Reality, But We Are Connected; Not In The Trivial Ways That Astrology Promises, But In The Deepest Ways.

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

If We Are To Survive, Our Loyalties Must Be Broadened Further, To Include The Whole Human Community, The Entire Planet Earth.

We Are Star Stuff Which Has Taken Its Destiny Into Its Own Hands. The Loom Of Time And Space Works The Most Astonishing Transformations Of Matter.

It's Sometimes Easier To Reject Strong Evidence Than To Admit That We've Been Wrong, This Is Information About Ourselves Worth Having.

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.

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

The Wind Whips Through The Canyons Of The American Southwest, And There Is No One To Hear It But Us - A Reminder Of The 40,000 Generations Of Thinking Men And Women Who Preceded Us, About Whom We Know Almost Nothing, Upon Whom Our Civilization Is Based.

In Science It Often Happens That Scientists Say, 'you Know That's A Really Good Argument; My Position Is Mistaken,' And Then They Would Actually Change Their Minds And You Never Hear That Old View From Them Again. They Really Do It. It Doesn't Happen As Often As It Should, Because Scientists Are Human And Change Is Sometimes Painful. But It Happens Every Day. I Cannot Recall The Last Time Something Like That Happened In Politics Or Religion.

The Earth Is A Place. It Is By No Means The Only Place. It Is Not Even A Typical Place.

When You Make The Finding Yourself - Even If You're The Last Person On Earth To See The Light - You'll Never Forget It.

Science Is An Attempt, Largely Successful, To Understand The World, To Get A Grip On Things, To Get Hold Of Ourselves, To Steer A Safe Course. Microbiology And Meteorology Now Explain What Only A Few Centuries Ago Was Considered Sufficient Cause To Burn Women To Death.

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.

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

Science Is Only A Latin Word For Knowledge

As Agonizing A Disease As Cancer Is, I Do Not Think It Can Be Said That Our Civilization Is Threatened By It. ... But A Very Plausible Case Can Be Made That Our Civilization Is Fundamentally Threatened By The Lack Of Adequate Fertility Control. Exponential Increases Of Population Will Dominate Any Arithmetic Increases, Even Those Brought About By Heroic Technological Initiatives, In The Availability Of Food And Resources, As Malthus Long Ago Realized.

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.

We Are One Species. We Are Starstuff.

Ours Is The First Generation That Has Grown Up With Science-fiction Ideas.

Imagination Will Often Carry Us To Worlds That Never Were. But Without It We Go Nowhere.

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.

The Cannabis Experience Has Greatly Improved My Appreciation For Art, A Subject Which I Had Never Much Appreciated Before.

That Kind Of Skeptical, Questioning, "don't Accept What Authority Tells You" Attitude Of Science - Is Also Nearly Identical To The Attitude Of Mind Necessary For A Functioning Democracy. Science And Democracy Have Very Consonant Values And Approaches, And I Don't Think You Can Have One Without The Other.

Democracies Have

I Don?t Feel Rejected By The Sky. I?m A Part Of It- Tiny, To Be Sure, But Everything Is Tiny Compared To That Overwhelming Immensity.

The Fact That Some Geniuses Were Laughed At Does Not Imply That All Who Are Laughed At Are Geniuses.

Extinction Is The Rule. Survival Is The Exception.

Mass Extinction

Exception To The Rule

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

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

All Civilizations Become Either Spacefaring Or Extinct.

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.

You Can't Convince A Believer Of Anything; For Their Belief Is Not Based On Evidence, It's Based On A Deep Seated Need To Believe

Imagine We Could Accelerate Continuously At 1 G-what We're Comfortable With On Good Old Terra Firma-to The Midpoint Of Our Voyage, And Decelerate Continuously At 1 G Until We Arrive At Our Destination. It Would Take A Day To Get To Mars, A Week And A Half To Pluto, A Year To The Oort Cloud, And A Few Years To The Nearest Stars.

Anything Else You're Interested In Is Not Going To Happen If You Can't Breathe The Air And Drink The Water. Don't Sit This One Out. Do Something. You Are By Accident Of Fate Alive At An Absolutely Critical Moment In The History Of Our Planet.

We Live In A Society Exquisitely Dependent On Science And Technology, In Which Hardly Anyone Knows Anything About Science And Technology.

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

The Universe Forces Those Who Live In It To Understand It. Those Creatures Who Find Everyday Experience A Muddled Jumble Of Events With No Predictability, No Regularity, Are In Grave Peril. The Universe Belongs To Those Who, At Least To Some Degree, Have Figured It Out.

I Worry That, Especially As The Millennium Edges Nearer, Pseudo-science And Superstition Will Seem Year By Year More Tempting, The Siren Song Of Unreason More Sonorous And Attractive.

Better The Hard Truth, I Say, Than The Comforting Fantasy. And In The Final Tolling It Often Turns Out That The Facts Are More Comforting Than The Fantasy.

In A Lot Of Scientists, The Ratio Of Wonder To Skepticism Declines In Time. That May Be Connected With The Fact That In Some Fields-mathematics, Physics, Some Others-the Great Discoveries Are Almost Entirely Made By Youngsters.

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.

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.

An Extraterrestrial Being, Newly Arrived On Earth - Scrutinizing What We Mainly Present To Our Children In Television, Radio, Movies, Newspapers, Magazines, The Comics, And Many Books - Might Easily Conclude That We Are Intent On Teaching Them Murder, Rape, Cruelty, Superstition, Credulity, And Consumerism. We Keep At It, And Through Constant Repetition Many Of Them Finally Get It.

Books Permit Us To Voyage Through Time, To Tap The Wisdom Of Our Ancestors.

Too Much Openness And You Accept Every Notion, Idea, And Hypothesis-which Is Tantamount To Knowing Nothing. Too Much Skepticism-especially Rejection Of New Ideas Before They Are Adequately Tested-and You're Not Only Unpleasantly Grumpy, But Also Closed To The Advance Of Science. A Judicious Mix Is What We Need.

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.

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

You Could Just As Well Say That An Agnostic Is A Deeply Religious Person With At Least A Rudimentary Knowledge Of Human Fallibility.

My Deeply Held Belief Is That If A God Of Anything Like The Traditional Sort Exists, Our Curiosity And Intelligence Are Provided By Such A God. We Would Be Unappreciative Of Those Gifts (as Well As Unable To Take Such A Course Of Action) If We Suppressed Our Passion To Explore The Universe And Ourselves. On The Other Hand, If Such A Traditional God Does Not Exist, Our Curiosity And Our Intelligence Are The Essential Tools For Managing Our Survival. In Either Case, The Enterprise Of Knowledge Is Consistent With Both Science And Religion, And Is Essential For The Welfare Of The Human Species.

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.

Not Explaining Science Seems To Me Perverse. When You're In Love, You Want To Tell The World.

Every Kid Starts Out As A Natural-born Scientist, And Then We Beat It Out Of Them. A Few Trickle Through The System With Their Wonder And Enthusiasm For Science Intact.

The Very Act Of Understanding Is A Celebration Of Joining, Merging, Even If On A Very Modest Scale, With The Magnificence Of The Cosmos.

That We Can Now Think Of No Mechanism For Astrology Is Relevant But Unconvincing. No Mechanism Was Known, For Example, For Continental Drift When It Was Proposed By Wegener. Nevertheless, We See That Wegener Was Right, And Those Who Objected On The Grounds Of Unavailable Mechanism Were Wrong.

All Inquiries Carry With Them Some Element Of Risk.

I Can Find In My Undergraduate Classes, Bright Students Who Do Not Know That The Stars Rise And Set At Night, Or Even That The Sun Is A Star.

There Are Many Hypotheses In Physics Of Almost Comparable Brillance And Elegance That Have Been Rejected Because They Did Not Survive Such A Confrontation With Experiment. In My View, The Human Condition Would Be Greatly Improved If Such Confrontations And Willingness To Reject Hypotheses Were A Regular Part Of Our Social, Political, Economic, Religious And Cultural Lives.

If We're Capable Of Conjuring Up Terrifying Monsters In Childhood, Why Shouldn't Some Of Us, At Least On Occasion, Be Able To Fantasize Something Similar, Something Truly Horrifying, A Shared Delusion, As Adults?

Finding The Occasional Straw Of Truth Awash In A Great Ocean Of Confusion And Bamboozle Requires Intelligence, Vigilance, Dedication, And Courage. But If We Don't Practice These Tough Habits Of Thought, We Cannot Hope To Solve The Truly Serious Problems That Face Us --- And We Risk Becoming A Nation Of Suckers, Up For Grabs By The Next Charlatan Who Comes Along.

Billions And Billions.

There Are In Fact 100 Billion Galaxies, Each Of Which Contain Something Like A 100 Billion Stars. Think Of How Many Stars, And Planets, And Kinds Of Life There May Be In This Vast And Awesome Universe.

Those Afraid Of The Universe As It Really Is, Those Who Pretend To Nonexistent Knowledge And Envision A Cosmos Centered On Human Beings Will Prefer The Fleeting Comforts Of Superstition.

All Inquires Carry With Them Some Element Of Risk. There Is No Guarantee That The Universe Will Conform To Our Predispositions.

Guarantees That

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?

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.

I Believe That Even A Smattering Of Such Findings In Modern Science And Mathematics Is Far More Compelling And Exciting Than Most Of The Doctrines Of Pseudoscience, Whose Practitioners Were Condemned As Early As The Fifth Century B.c. By The Ionian Philosopher Heraclitus As “nigh -walkers, Magicians, Priests Of Bacchus, Priestesses Of The Wine-vat, Mystery-mongers.” But Science Is More Intricate And Subtle, Reveals A Much Richer Imiverse, And Powerfully Evokes Our Sense Of Wonder.

There Is Perhaps No Better A Demonstration Of The Folly Of Human Conceits Than This Distant Image Of Our Tiny World.

There Are More Potential Combinations Of Dna [physical Forms] Than There Are Atoms In The Universe.

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.

The Surface Of The Earth Is The Shore Of The Cosmic Ocean.

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

Skeptical Scrutiny Is The Means, In Both Science And Religion, By Which Deep Thoughts Can Be Winnowed From Deep Nonsense.

It Is Clear That The Nations Of The World Now Can Only Rise And Fall Together. It Is Not A Question Of One Nation Winning At The Expense Of Another. We Must All Help One Another Or All Perish Together.

'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 Are, Each Of Us, A Multitude. Within Us Is A Little Universe.

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.

What A Marvelous Cooperative Arrangement - Plants And Animals Each Inhaling Each Other's Exhalations, A Kind Of Planet-wide Mutual Mouth-to-stoma Resuscitation, The Entire Elegant Cycle Powered By A Star 150 Million Kilometers Away.

In The Fabric Of Space And In The Nature Of Matter, As In A Great Work Of Art, There Is, Written Small, The Artist's Signature.

Science Is A Way To Not Fool Ourselves.

What Distinguishes Our Species Is Thought. The Cerebral Cortex Is In A Way A Liberation. We Need No Longer Be Trapped In The Genetically Inherited Behavior Patterns Of Lizards And Baboons: Territoriality And Aggression And Dominance Hierarchies. We Are Each Of Us Largely Responsible For What Gets Put In To Our Brains. For What As Adults We Wind Up Caring For And Knowing About. No Longer At The Mercy Of The Reptile Brain We Can Change Ourselves. Think Of The Possibilities.

The Nuclear Arms Race Is Like Two Sworn Enemies Standing Waist Deep In Gasoline, One With Three Matches, The Other With Five.

The Prediction Of Nuclear Winter Is Drawn Not, Of Course, From Any Direct Experience With The Consequences Of Global Nuclear War, But Rather From An Investigation Of The Governing Physics.

If You Look At Earth From Space You See A Dot, That's Here. That's Home. That's Us. It Underscores The Responsibility To Deal More Kindly And Compassionately With One Another And To Preserve And Cherish That Pale Blue Dot, The Only Home We've Ever Known.

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

For All Its Material Advantages, The Sedentary Life Has Left Us Edgy, Unfulfilled, Even After 400 Generations In Villages And Cities, We Haven't Forgotten: The Open Road Still Softly Calls Like A Nearly Forgotten Song Of Childhood.

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?

The Visions We Offer Our Children Shape The Future. It _matters_ What Those Visions Are. Often They Become Self-fulfilling Prophecies. Dreams Are Maps.

The Universe Seems Neither Benign Nor Hostile, Merely Indifferent.

We Are Star Stuff Which Has Taken Its Destiny Into Its Own Hands.

If We Do Not Speak For Earth, Who Will? If We Are Not Committed To Our Own Survival, Who Will Be?

Science Is Not Only Compatible With Spirituality; It Is A Profound Source Of Spirituality.

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.

It Is The Responsibility Of Scientists Never To Suppress Knowledge, No Matter How Awkward That Knowledge Is, No Matter How It May Bother Those In Power; We Are Not Smart Enough To Decide Which Pieces Of Knowledge Are Permissible, And Which Are Not.

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

Teller Contended, Not Implausibly, That Hydrogen Bombs Keep The Peace, Or At Least Prevent Thermonuclear War, Because The Consequences Of Warfare Between Nuclear Powers Are Now Too Dangerous. We Haven't Had A Nuclear War Yet, Have We? But All Such Arguments Assume That The Nuclear-armed Nations Are And Always Will Be, Without Exception, Rational Actors, And That Bouts Of Anger And Revenge And Madness Will Never Overtake Their Leaders (or Military And Secret Police Officers In Charge Of Nuclear Weapons). In The Century Of Hitler And Stalin, This Seems Ingenuous.

Societies Will, Of Course, Wish To Exercise Prudence In Deciding Which Technologies That Is, Which Applications Of Science Are To Be Pursued And Which Not. But Without Funding Basic Research, Without Supporting The Acquisition Of Knowledge For Its Own Sake, Our Options Become Dangerously Limited.

The Brain Is Like A Muscle. When It Is In Use We Feel Very Good. Understanding Is Joyous.

The Nitrogen In Our Dna, The Calcium In Our Teeth, The Iron In Our Blood, The Carbon In Our Apple Pies Were Made In The Interiors Of Collapsing Stars. We Are Made Of Starstuff.

There Is No Other Species On Earth That Does Science. It Is, So Far, Entirely A Human Invention, Evolved By Natural Selection In The Cerebral Cortex For One Simple Reason: It Works. It Is Not Perfect. It Can Be Misused. It Is Only A Tool. But It Is By Far The Best Tool We Have, Self-correcting, Ongoing, Applicable To Everything.

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

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.

What's The Harm Of A Little Mystification? It Sure Beats Boring Statistical Analyses.

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 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.

The Cosmos Is All There Is, All There Ever Was, And All There Ever Will Be.

The Truth May Be Puzzling. It May Take Some Work To Grapple With. It May Be Counterintuitive. It May Contradict Deeply Held Prejudices. It May Not Be Consonant With What We Desperately Want To Be True. But Our Preferences Do Not Determine What's True.

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.

We Live On A Mote Of Dust Suspended In A Sunbeam

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.

But Amid Much Elegance And Precision, The Details Of Life And The Universe Also Exhibit Haphazard, Jury-rigged Arrangements And Much Poor Planning. What Shall We Make Of This: An Edifice Abandoned Early In Construction By The Architect?

Details Of Life

I Never Said It. Honest. Oh, I Said There Are Maybe 100 Billion Galaxies And 10 Billion Trillion Stars. It's Hard To Talk About The Cosmos Without Using Big Numbers. I Said "billion" Many Times On The Cosmos Television Series, Which Was Seen By A Great Many People. But I Never Said "billions And Billions." For One Thing, It's Too Imprecise. How Many Billions Are "billions And Billions"? A Few Billion? Twenty Billion? A Hundred Billion? "billions And Billions" Is Pretty Vague. When We Reconfigured And Updated The Series, I Checked-and Sure Enough, I Never Said It.

The Notion That Science And Spirituality Are Somehow Mutually Exclusive Does A Disservice To Both.

First Rule In Government Spending: Why Build One When You Can Have Two At Twice The Price?

What An Astonishing Thing A Book Is. It’s A Flat Object Made From A Tree With Flexible Parts On Which Are Imprinted Lots Of Funny Dark Squiggles. But One Glance At It And You’re Inside The Mind Of Another Person, Maybe Somebody Dead For Thousands Of Years. ... Books Break The Shackles Of Time. A Book Is Proof That Humans Are Capable Of Working Magic.

As The Ancient Myth Makers Knew, We Are Children Equally Of The Earth And The Sky.

We Have Begun To Contemplate Our Origins: Starstuff Pondering The Stars; Organized Assemblages Of Ten Billion Billion Billion Atoms Considering The Evolution Of Atoms; Tracing The Long Journey By Which, Here At Least, Consciousness Arose.

We Should Be Teaching Our Children The Scientific Method And The Reasons For A Bill Of Rights. With It Comes A Certain Decency, Humility And Community Spirit.

Chlorine Is A Deadly Poison Gas Employed On European Battlefields In World War I. Sodium Is A Corrosive Metal Which Burns Upon Contact With Water. Together They Make A Placid And Unpoisonous Material, Table Salt. Why Each Of These Substances Has The Properties It Does Is A Subject Called Chemistry.

Science Arouses A Soaring Sense Of Wonder. But So Does Pseudoscience. Sparse And Poor Popularizations Of Science Abandon Ecological Niches That Pseudoscience Promptly Fills. If It Were Widely Understood That Claims To Knowledge Require Adequate Evidence Before They Can Be Accepted, There Would Be No Room For Pseudoscience.

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.

I Don't Know The Answer. Maybe No One Knows. Maybe When You Grow Up, You'll Be The First To Find Out.

An Atheist Has To Know A Lot More Than I Know. An Atheist Is Someone Who Knows There Is No God. By Some Definitions Atheism Is Very Stupid.

There Is No God

Humans - Who Enslave, Castrate, Experiment On, And Fillet Other Animals - Have Had An Understandable Penchant For Pretending Animals Do Not Feel Pain.

Any Civilization That Doesn't Develop Space Travel Dies.

We Are, In A Way, Temporary Ambulatory Repositories For Our Nucleic Acids. This Does Not Deny Our Humanity; It Does Not Prevent Us From Pursuing The Good, The True And The Beautiful. But It Would Be A Great Mistake To Ignore Where We Have Come From In Our Attempt To Determine Where We Are Going.

The Difference Between Physics And Metaphysics Is Not That The Practitioners Of One Are Smarter Than The Practitioners Of The Other. The Difference Is That The Metaphysicist Has No Laboratory.

All Over The World There Are Enormous Numbers Of Smart, Even Gifted, People Who Harbor A Passion For Science. But That Passion Is Unrequited. Surveys Suggest That Some 95% Of Americans Are "scientifically Illiterate." That's...the Same Fraction...of Slaves Who Were Illiterate Before The Civil War.

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

.. Think Of The Rivers Of Blood Spilled By All Those Generals And Emperors So That In Glory And In Triumph They Could Become The 'momentary' Masters Of A 'fraction' Of A 'dot'

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.

If We Can't Think For Ourselves, If We're Unwilling To Question Authority, Then We're Just Putty In The Hands Of Those In Power.

Scientific Method

The Evidence, So Far At Least And Laws Of Nature Aside, Does Not Require A Designer. Maybe There Is One Hiding, Maddeningly Unwilling To Be Revealed.

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.

The Words "question" And "quest" Are Cognates. Only Through Inquiry Can We Discover Truth.

We Are Made Of Stellar Ash. Our Origin And Evolution Have Been Tied To Distant Cosmic Events. The Exploration Of The Cosmos Is A Voyage Of Self-discovery.

It Took The Church Until 1832 To Remove Galileo 's Work From Its List Of Books Which Catholics Were Forbidden To Read At The Risk Of Dire Punishment Of Their Immortal Souls.

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.

The Cosmic Calendar Compresses The Local History Of The Universe Into A Single Year. If The Universe Began On January 1st It Was Not Until May That The Milky Way Formed. Other Planetary Systems May Have Appeared In June, July And August, But Our Sun And Earth Not Until Mid-september. Life Arose Soon After. 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.

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.

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

Mathematical Equations

We Began As Wanderers, And We Are Wanderers Still.

Our Perceptions Are Fallible. We Sometimes See What Isn't There. We Are Prey To Optical Illusions. Occasionally We Hallucinate. We Are Error-prone.

Optical Illusions

Scientists Can Routinely Predict A Solar Eclipse, To The Minute, A Millennium In Advance. You Can Go To The Witch Doctor To Lift The Spell That Causes Your Pernicious Anaemia, Or You Can Take Vitamin B12. If You Want To Save Your Child From Polio, You Can Pray Or You Can Inoculate. If You're Interested In The Sex Of Your Unborn Child, You Can Consult Plumb-bob Danglers All You Want . . . But They'll Be Right, On Average, Only One Time In Two. If You Want Real Accuracy . . . Try Amniocentesis And Sonograms. Try Science.

If You Are Only Skeptical, Then No New Ideas Make It Through To You. You Become A Crotchety Old Person Convinced That Nonsense Is Ruling The World. (there Is, Of Course, Much Data To Support You.) But Every Now And Then, A New Idea Turns Out To Be On The Mark, Valid And Wonderful. If You Are Too Much In The Habit Of Being Skeptical About Everything, You Are Going To Miss Or Resent It, And Either Way You Will Be Standing In The Way Of Understanding And Progress.

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

At The Heart Of Science Is An Essential Balance Between Two Seemingly Contradictory Attitudes-an Openness To New Ideas, No Matter How Bizarre Or Counterintuitive They May Be, And The Most Ruthless Skeptical Scrutiny Of All Ideas, Old And New. This Is How Deep Truths Are Winnowed From Deep Nonsense.

If The Constellations Had Been Named In The Twentieth Century, I Suppose We Would See Bicycles And Refrigerators In The Sky.

Which Aspects Of Our Nature Will Prevail Is Uncertain, Particularly When Our Visions And Prospects Are Bound To One Small Part Of The Small Planet Earth. But Up There In The Cosmos An Inescapable Perspective Awaits.

In The Vastness Of The Cosmos There Must Be Other Civilizations Far Older And More Advanced Than Ours.

If We Ruin The Earth, There Is No Place Else To Go

The Apollo Pictures Of The Whole Earth Conveyed To Multitudes Something Well Known To Astronomers: On The Scale Of The Worlds - To Say Nothing Of Stars Or Galaxies - Humans Are Inconsequential, A Thin Film Of Life On An Obscure And Solitary Lump Of Rock And Metal

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