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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.

-Carl Sagan

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If You Are Only

Carl Sagan

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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.

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If You Want To Make A [rhubarb] Pie From Scratch, First You Have To Create The Universe.

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We Live On A Mote Of Dust Suspended In A Sunbeam

We Are A Way For The Cosmos To Know Itself.

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.

Cosmos Is A Greek Word For The Order Of The Universe. It Is, In A Way, The Opposite Of Chaos. It Implies The Deep Interconnectedness Of All Things. It Conveys Awe For The Intricate And Subtle Way In Which The Universe Is Put Together.

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.

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.

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.

But I Try Not To Think With My Gut. If I'm Serious About Understanding The World, Thinking With Anything Besides My Brain, As Tempting As That Might Be, Is Likely To Get Me Into Trouble.

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

[s]cience Has Itself Become A Kind Of Religion.

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

The Visions We Offer Our Children Shape The Future.

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.

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

We Have Heard The Rationales Offered By The Nuclear Superpowers. We Know Who Speaks For The Nations. But Who Speaks For The Human Species? Who Speaks For Earth?

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

The Cosmos Is All That Is Or Was Or Ever Will Be. Our Feeblest Contemplations Of The Cosmos Stir Us -- There Is A Tingling In The Spine, A Catch In The Voice, A Faint Sensation, As If A Distant Memory, Of Falling From A Height. We Know We Are Approaching The Greatest Of Mysteries.

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 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.

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.

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.

But I Could Be Wrong.

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.

Few Scientists Now Dispute That Today's Soaring Levels Of Carbon Dioxide And Other Gases In The Atmosphere Will Cause Global Temperature Averages To Rise By As Much As Nine Degrees Fahrenheit Sometime After The Year 2000.

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

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.

Many Statements About God Are Confidently Made By Theologians On Grounds That Today At Least Sound Specious. Thomas Aquinas Claimed To Prove That God Cannot Make Another God, Or Commit Suicide, Or Make A Man Without A Soul, Or Even Make A Triangle Whose Interior Angles Do Not Equal 180 Degrees. But Bolyai And Lobachevsky Were Able To Accomplish This Last Feat (on A Curved Surface) In The Nineteenth Century, And They Were Not Even Approximately Gods.

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?

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.

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?

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.

I Am Not An Atheist. An Atheist Is Someone Who Has Compelling Evidence That There Is No Judeo-christian-islamic God. I Am Not That Wise, But Neither Do I Consider There To Be Anything Approaching Adequate Evidence For Such A God. Why Are You In Such A Hurry To Make Up Your Mind? Why Not Simply Wait Until There Is Compelling Evidence?

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.

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.

Our Posturings, Our Imagined Self-importance , The Delusion That We Have Some Privileged Position In The Universe Are Challenged By This Point Of Pale Light.

They (i. E., The Pythagoreans) Did Not Advocate The Free Confrontation Of Conflicting Points Of View. Instead, Like All Orthodox Religions, They Practised A Rigidity That Prevented Them From Correcting Their Errors.

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We Can Always Take But Never Give.

We On Earth Have Just Awakened To The Great Oceans Of Space And Time From Which We Have Emerged.

We Are A Way Of The Universe Knowing Itself.

My Wonder Button Is Being Pushed All The Time.

The Dumbing Down Of American Is Most Evident In The Slow Decay Of Substantive Content In The Enormously Influential Media, The 30 Second Sound Bites (now Down To 10 Seconds Or Less), Lowest Common Denominator Programming, Credulous Presentations On Pseudoscience And Superstition, But Especially A Kind Of Celebration Of Ignorance.

I Don't Want To Believe. I Want To Know.

Science Is A Way To Not Fool Ourselves.

Many Religions Have Attempted To Make Statues Of Their Gods Very Large, And The Idea, I Suppose, Is To Make Us Feel Small. But If That's Their Purpose, They Can Keep Their Paltry Icons. We Need Only Look Up If We Wish To Feel Small.

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Avoidable Human Misery Is More Often Caused Not So Much By Stupidity As By Ignorance, Particularly Our Ignorance About Ourselves.

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Books Are Key To Understanding The World And Participating In A Democratic Society.

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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.

I Also Wish That The Pledge Of Allegiance Were Directed At The Constitution And The Bill Of Rights, As It Is When The President Takes His Oath Of Office, Rather Than To The Flag And The Nation

We Are Star Stuff Harvesting Sunlight.

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.

My Parents Were Not Scientists. They Knew Almost Nothing About Science. But In Introducing Me Simultaneously To Skepticism And To Wonder, They Taught Me The Two Uneasily Cohabiting Modes Of Thought That Are Central To The Scientific Method.

Clutching Our Crystals And Religiously Consulting Our Horoscopes, Our Critical Faculties In Steep Decline, Unable To Distinguish Between What's True And What Feels Good, We Slide, Almost Without Noticing, Into Superstition And Darkness.

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

The Earth Is A Very Small Stage In A Vast Cosmic Arena.

There Are As Many Atoms In One Molecule Of Dna As There Are Stars In A Typical Galaxy.

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.

What Counts Is Not What Sounds Plausible, Not What We Would Like To Believe, Not What One Or Two Witnesses Claim, But Only What Is Supported By Hard Evidence Rigorously And Skeptically Examined. Extraordinary Claims Require Extraordinary Evidence.

Time Spent With Children Is Time Well Spent. Their Little Minds Are Not Constrained By 'reality' Or Focused Upon Goals. Anything And Everything Is Possible. Imagination Will Often Carry Us To Worlds That Never Were. But Without It We Go Nowhere.

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

We Are The Children Equally Of The Sky And The Earth.

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.

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?

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

There Are No Forbidden Questions In Science, No Matters Too Sensitive Or Delicate To Be Probed, No Sacred Truths.

Real Patriots Ask Questions.

It Will Not Be We Who Reach Alpha Centauri, And The Other Nearby Stars. It Will Be A Species Very Like Us - But With More Of Our Strengths And Fewer Of Our Weaknesses.

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

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.

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.

Writing Is Perhaps The Greatest Of Human Inventions, Binding Together People Who Never Knew Each Other, Citizens Of Distant Epochs. Books Break The Shackles Of Time. A Book Is Proof That Humans Are Capable Of Magic.

We Make Our World Significant By The Courage Of Our Questions And The Depth Of Our Answers

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.

Ufos: The Reliable Cases Are Uninteresting And In The Interesting Cases Are Unreliable.

We Can Judge Our Progress By The Courage Of Our Questions And The Depth Of Our Answers, Our Willingness To Embrace What Is True Rather Than What Feels Good.

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.

Your Religion Assumes That People Are Children And Need A Boogeyman So They'll Behave. You Want People To Believe In God So They'll Obey The Law. That's The Only Means That Occurs To You: A Strict Secular Police Force, And The Threat Of Punishment By An All-seeing God For Whatever The Police Overlook. You Sell Human Beings Short.

What A Splendid Perspective Contact With A Profoundly Different Civilization Might Provide! In A Cosmic Setting Vast And Old Beyond Ordinary Human Understanding We Are A Little Lonely, And We Ponder The Ultimate Significance, If Any, Of Our Tiny But Exquisite Blue Planet, The Earth.... In The Deepest Sense The Search For Extraterrestrial Intelligence Is A Search For Ourselves.

We Are The Universe Experiencing Itself.

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

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

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.

When You Realize That No One Really Knows What They Are Doing And That Everyone Is Doing The Best They Can According To Their Own Level Of Consciousness, Life Gets A Lot Easier. Skeptical Scrutiny Is The Means, In Both Science And Religion, By Which Deep Thoughts Can Be Winnowed From Deep Nonsense.

The Fact That So Little Of The Findings Of Modern Science Is Prefigured In Scripture To My Mind Casts Further Doubt On It Divine Inspiration.

I Believe Our Future Depends Powerfully On How Well We Understand This Cosmos In Which We Float, Like A Mote Of Dust In The Morning Sky.

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.

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.

An Atheist Is Someone Who Is Certain That God Does Not Exist, Someone Who Has Compelling Evidence Against The Existence Of God. I Know Of No Such Compelling Evidence.

The Sacred Truth Of Science Is That There Are No Sacred Truths.

I Hold That Popularization Of Science Is Successful If, At First, It Does No More Than Spark The Sense Of Wonder.

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?

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.

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

All Inquiries Carry With Them Some Element Of Risk.

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.

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.

The Earth Is A Very Small Stage In A Vast Cosmic Arena. Think Of The Rivers Of Blood Spilled By All Those Generals And Emperors So That, In Glory And Triumph, They Could Become The Momentary Masters Of A Fraction Of A Dot. Think Of The Endless Cruelties Visited By The Inhabitants Of One Corner Of This Pixel On The Scarcely Distinguishable Inhabitants Of Some Other Corner, How Frequent Their Misunderstandings, How Eager They Are To Kill One Another, How Fervent Their Hatreds.

We Were Wanderers From The Beginning.

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.

Widespread Intellectual And Moral Docility May Be Convenient For Leaders In The Short Term, But It Is Suicidal For Nations In The Long Term. One Of The Criteria For National Leadership Should Therefore Be A Talent For Understanding, Encouraging, And Making Constructive Use Of Vigorous Criticism.

[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.

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.

There Is Today-in A Time When Old Beliefs Are Withering-a Kind Of Philosophical Hunger, A Need To Know Who We Are And How We Got Here. It Is An On-going Search, Often Unconscious, For A Cosmic Perspective For Humanity

Any Sufficiently Crisp Question Can Be Answered By A Single Binary Digit-0 Or 1, Yes Or No.

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

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.

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.

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

The Usual Rejoinder To Someone Who Says 'they Laughed At Columbus, They Laughed At Galileo' Is To Say 'but They Also Laughed At Bozo The Clown'.

Nature Does Not Always Conform To Our Predispositions And Preferences, To What We Deem Comfortable And Easy To Understand.

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

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.

Our Concern For The Future Can Be Tested By How Well We Support Our Libraries.

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.

Accommodation To Change, The Thoughtful Pursuit Of Alternative Futures Are Keys To The Survival Of Civilization And Perhaps Of The Human Species.

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 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.

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.

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

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.

Perhaps The Depth Of Love Can Be Calibrated By The Number Of Different Selves That Are Actively Involved In A Given Relationship.

The Earth Is The Only World Known So Far To Harbor Life. There Is Nowhere Else, At Least In The Near Future, To Which Our Species Could Migrate. Visit, Yes. Settle, Not Yet. Like It Or Not, For The Moment The Earth Is Where We Make Our Stand. It Has Been Said That Astronomy Is A Humbling And Character-building Experience..... To Me, It Underscores Our Responsibility To Deal More Kindly With One Another, And To Preserve And Cherish The Pale Blue Dot, The Only Home We've Ever Known.

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

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.

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

Extraordinary Claim Requires Extraordinary Proof.

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

War Is Murder Writ Large.

Religions Contradict One Another-on Small Matters, Such As Whether We Should Put On A Hat Or Take One Off On Entering A House Of Worship, Or Whether We Should Eat Beef And Eschew Pork Or The Other Way Around, All The Way To The Most Central Issues, Such As Whether There Are No Gods, One God, Or Many Gods.

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

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.

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.

The Size And Age Of The Cosmos Are Beyond Ordinary Human Understanding. Lost Somewhere Between Immensity And Eternity Is Our Tiny Planetary Home.

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?

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.

The Suppression Of Uncomfortable Ideas May Be Common In Religion Or In Politics, But It Is Not The Path To Knowledge, And There's No Place For It In The Endeavor Of Science. We Do Not Know Beforehand Where Fundamental Insights Will Arise From About Our Mysterious And Lovely Solar System. The History Of Our Study Of Our Solar System Shows Us Clearly That Accepted And Conventional Ideas Are Often Wrong, And That Fundamental Insights Can Arise From The Most Unexpected Sources.

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.

The Method Of Science Is Tried And True. It Is Not Perfect, It's Just The Best We Have. And To Abandon It, With Its Skeptical Protocols, Is The Pathway To A Dark Age.

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?

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

Science ... Looks Skeptically At All Claims To Knowledge, Old And New. It Teaches Not Blind Obedience To Those In Authority But To Vigorous Debate, And In Many Respects That's The Secret Of Its Success.

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.

The Library Connects Us With The Insight And Knowledge, Painfully Extracted From Nature, Of The Greatest Minds That Ever Were, With The Best Teachers, Drawn From The Entire Planet And From All Our History, To Instruct Us Without Tiring, And To Inspire Us To Make Our Own Contribution To The Collective Knowledge Of The Human Species.

Centuries Hence, When Current Social And Political Problems May Seem As Remote As The Problems Of The Thirty Years' War Are To Us, Our Age May Be Remembered Chiefly For One Fact: It Was The Time When The Inhabitants Of The Earth First Made Contact With The Vast Cosmos In Which Their Small Planet Is Embedded.

If You Want To Save Your Child From Polio, You Can Pray Or You Can Inoculate....try Science.

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

I Believe That Part Of What Propels Science Is The Thirst For Wonder. It's A Very Powerful Emotion. All Children Feel It. In A First Grade Classroom Everybody Feels It; In A Twelfth Grade Classroom Almost Nobody Feels It, Or At Least Acknowledges It. Something Happens Between First And Twelfth Grade, And It's Not Just Puberty. Not Only Do The Schools And The Media Not Teach Much Skepticism, There Is Also Little Encouragement Of This Stirring Sense Of Wonder. Science And Pseudoscience Both Arouse That Feeling. Poor Popularizations Of Science Establish An Ecological Niche For Pseudoscience.

If God Is Omnipotent And Omniscient, Why Didn't He Start The Universe Out In The First Place So It Would Come Out The Way He Wants? Why's He Constantly Repairing And Complaining? No, There's One Thing The Bible Makes Clear: The Biblical God Is A Sloppy Manufacturer. He's Not Good At Design, He's Not Good At Execution. He'd Be Out Of Business, If There Was Any Competition.

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

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.

Human History Can Be Viewed As A Slowly Dawning Awareness That We Are Members Of A Larger Group Groups Of People From Divergent Ethnic And Cultural Backgrounds Working In Some Sense Together [is] Surely A Humanizing And Character Building Experience. If We Are To Survive, Our Loyalties Must Be Broadened Further, To Include The Whole Human Community, The Entire Planet Earth.

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

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.

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

Life Is But A Momentary Glimpse Of The Wonder Of This Astonishing Universe, And It Is Sad To See So Many Dreaming It Away On Spiritual Fantasy.

If Some Good Evidence For Life After Death Were Announced, I'd Be Eager To Examine It; But It Would Have To Be Real Scientific Data, Not Mere Anecdote. As With The Face On Mars And Alien Abductions, Better The Hard Truth, I Say, Than The Comforting Fantasy.

Discussing The Possibilities Of Extraterrestrial Life: I Would Love It Even If They Were Short, Sullen, Grumpy And Sexually Obsessed. But There Just Isn't Any Good Evidence.

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

You Have To Know The Past To Understand The Present.

'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.'

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.

Those Who Seek Power At Any Price Detect A Societal Weakness, A Fear That They Can Ride Into Office.

There Are Lots Of Ways To Communicate What We Know, But Few Ways To Communicate What We Feel. Music Is One Way To Communicate Emotions.

My Long-time View About Christianity Is That It Represents An Amalgam Of Two Seemingly Immiscible Parts-the Religion Of Jesus And The Religion Of Paul. Thomas Jefferson Attempted To Excise The Pauline Parts Of The New Testament. There Wasn't Much Left When He Was Done, But It Was An Inspiring Document.

I Promise To Question Everything My Leaders Tell Me. I Promise To Use My Critical Faculties. I Promise To Develop My Independence Of Thought. I Promise To Educate Myself So I Can Make My Own Judgments.

Our Loyalties Are To The Species And The Planet. We Speak For Earth.

Valid Criticism Does You A Favor.

We've Arranged A Civilization In Which Most Crucial Elements Profoundly Depend On Science And Technology.

Absolute Certainty Will Always Elude Us. We Will Always Be Mired In Error. The Most Each Generation Can Hope For Is To Reduce The Error. . . .

National Boundaries Are Not Evident When We View The Earth From Space. Fanatical Ethnic Or Religious Or National Chauvinisms Are A Little Difficult To Maintain When We See Our Planet As A Fragile Blue Crescent Fading To Become An Inconspicuous Point Of Light Against The Bastion And Citadel Of The Stars.

Our Planet Is A Lonely Speck In The Great Enveloping Cosmic Dark. In Our Obscurity, In All This Vastness, There Is No Hint That Help Will Come From Elsewhere To Save Us From Ourselves.

Human History Can Be Viewed As A Slowly Dawning Awareness That We Are Members Of A Larger Group.

Cleverly Designed Experiments Are The Key.

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.

It's Perilous And Foolhardy For The Average Citizen To Remain Ignorant About Global Warming, Say, Or Ozone Depletion, Air Pollution, Toxic And Radioactive Wastes, Acid Rain, Topsoil Erosion, Tropical Deforestation, Exponential Population Growth. Jobs And Wages Depend On Science And Technology.

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

Sailors On A Becalmed Sea, We Sense The Stirring Of A Breeze.

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

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.

We Are The Custodians Of Life's Meaning.

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

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.

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.

Indeed The Reasoned Criticism Of A Prevailing Belief Is A Service To The Proponents Of That Belief; If They Are Incapable Of Defending It, They Are Well Advised To Abandon It. This Self-questioning And Error-correcting Aspect Of The Scientific Method Is Its Most Striking Property.

Self Questioning

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

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

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 Universe Seems Neither Benign Nor Hostile, Merely Indifferent.

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.

All Colours Are Arbitrary.

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.

There Are Wonders Enough Out There Without Our Inventing Any.

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