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There Could Be Whole Antiworlds And Antipeople Made Out Of Antiparticles. However, If You Ever Meet Your Antiself, Don't Shake Hands! You Would Both Vanish In A Great Flash Of Light.

-Stephen Hawking

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There Could Be Whole

Stephen Hawking

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There Could Be Whole Antiworlds And Antipeople Made Out Of Antiparticles. However, If You Ever Meet Your Antiself, Don't Shake Hands! You Would Both Vanish In A Great Flash Of Light.

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I Think [contacting An Alien Civilization] Would Be A Disaster. The Extraterrestrials Would Probably Be Far In Advance Of Us. The History Of Advanced Races Meeting More Primitive People On This Planet Is Not Very Happy, And They Were The Same Species. I Think We Should Keep Our Heads Low.

Government Works Best Under The Glare Of Public Scrutiny. Absent Such Scrutiny, Abuses Occur.

People Who Boast About Their I.q. Are Losers.

I Used To Think Information Was Destroyed In Black Hole. This Was My Biggest Blunder, Or At Least My Biggest Blunder In Science.

The Universe Doesn't Allow Perfection.

I'm Very Interested In Film Making. It's Telling A Story, Fiction Or Non-fiction. I Have Been Filmed Quite A Lot. Contrary To Popular Belief, Filming Isn't Glamorous. It Can Be Wearingly Repetitious, As The Same Shot Is Taken Over And Over Again.

One Should Love Animals. They Are So Tasty.

If One Is Physically Disabled, One Cannot Afford To Be Psychologically Disabled As Well.

Physically Disabled

If It [the Universe] Was Expanding Fairly Slowly, The Force Of Gravity Would Cause It Eventually To Stop Expanding And Then To Start Contracting. However, If It Was Expanding At More Than A Certain Critical Rate, Gravity Would Never Be Strong Enough To Stop It, And The Universe Would Continue To Expand Forever.

I Want My Books Sold On Airport Bookstalls.

Please Join Me In Applauding The Esa - European Space Agency’s Historic Efforts With The Rosetta Mission And Landing A Spacecraft On Rotating Comet. It May Seem Like A Work Of Fiction, But It Is Very Real, Very Impressive, And Will Help Us To Further Uncover The Mysteries Surrounding The Formation Of The Solar System. They Made A Beautiful Short Film Using An Imaginary Landscape To Illustrate Today’s Historic Feat.

All My Adult Life People Have Been Helping Me.

Nothing Is Fool-proof To A Sufficiently Talented Fool.

A Person Who Smiles In The Face Of Adversity...probably Has A Scapegoat.

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My Goal Is Simple. It Is A Complete Understanding Of The Universe, Why It Is As It Is And Why It Exists At All.

Money Is Not Everything. There's Master Card & Visa.

I'm Not Afraid Of Death, But I'm In No Hurry To Die. I Have So Much I Want To Do First.

If What We Regard As Real Depends On Our Theory, How Can We Make Reality The Basis Of Our Philosophy? But We Cannot Distinguish What Is Real About The Universe Without A Theory. It Makes No Sense To Ask If It Corresponds To Reality, Because We Do Not Know What Reality Is Independent Of A Theory.

The Human Failing I Would Most Like To Correct Is Aggression.

The Human Failing I Would Most Like To Correct Is Aggression. It May Have Had Survival Advantage In Caveman Days, To Get More Food, Territory Or A Partner With Whom To Reproduce, But Now It Threatens To Destroy Us All.

When Two's Company, Three's The Result!

I Want To Know Why The Universe Exists, Why There Is Something Greater Than Nothing.

I Don't Believe That The Ultimate Theory Will Come By Steady Work Along Existing Lines. We Need Something New. We Can't Predict What That Will Be Or When We Will Find It Because If We Knew That, We Would Have Found It Already!

If Aliens Visit Us, The Outcome Would Be Much As When Columbus Landed In America, Which Didn't Turn Out Well For The Native Americans.

Native American

Teamwork...means Never Having To Take All The Blame Yourself.

The Human Capacity For Guilt Is Such That People Can Always Find Ways To Blame Themselves

I'm A Child Myself, In The Sense That I'm Still Looking. Children Are Fascinated By Black Holes And Ask Me Questions. I Find They Soon Get The Idea If It Is Explained In Nontechnical Language.

It Is My View That The Simplest Explanation Is There Is No God. No One Created The Universe And No One Directs Our Fate. This Leads Me To A Profound Realization. There Is Probably No Heaven, And No Afterlife Either. We Have This One Life To Appreciate The Grand Design Of The Universe, And For That, I Am Extremely Grateful.

Thirty Years Ago I Was Diagnosed With Motor Neurone Disease, And Given Two And A Half Years To Live. I Have Always Wondered How They Could Be So Precise About The Half.

It Often Happens That I Have An Idea, But Then I Try To Fill In The Intermediate Steps And Find They Don't Work, So I Have To Give It Up.

It Would Be Very Difficult To Explain Why The Universe Should Have Begun In Just This Way, Except As The Act Of A God Who Intended To Create Beings Like Us.

A Model Is A Good Model If First It Interprets A Wide Range Of Observations In Terms Of A Simple And Elegant Model, And Second If The Model Makes Definite Predictions That Can Be Tested, And Possibly Falsified, By Observation.

There Is No Unique Picture Of Reality.

Science Is Beautiful When It Makes Simple Explanations Of Phenomena Or Connections Between Different Observations.

I've Noticed That Even People Who Believe In Fate Look Both Ways Before Crossing The Street.

Keeping An Active Mind Has Been Vital To My Survival, As Has Been Maintaining A Sense Of Humor.

Life Would Be Tragic If It Weren't Funny.

To My Mathematical Brain, The Numbers Alone Make Thinking About Aliens Perfectly Rational.

More Often Than Politicians, But Not As Often As They Should.

I Believe That The Long-term Future Of The Human Race Must Be Space And That It Represents An Important Life Insurance For Our Future Survival, As It Could Prevent The Disappearance Of Humanity By Colonizing Other Planets.

Equations Are Just The Boring Part Of Mathematics. I Attempt To See Things In Terms Of Geometry.

I Have Lived With The Prospect Of An Early Death For The Last 49 Years. I'm Not Afraid Of Death, But I'm In No Hurry To Die. I Have So Much I Want To Do First. I Regard The Brain As A Computer Which Will Stop Working When Its Components Fail. There Is No Heaven Or Afterlife For Broken Down Computers; That Is A Fairy Story For People Afraid Of The Dark.

It's Clearly Possible For A Something To Acquire Higher Intelligence Than Its Ancestors: We Evolved To Be Smarter Than Our Ape-like Ancestors, And Einstein Was Smarter Than His Parents.

A Million Million Million Million (1 With Twenty-four Zeros After It) Miles, The Size Of The Observable Universe.

"sooner Or Later Disasters Such As An Asteroid Collision Or A Nuclear War Could Wipe Us All Out, But Once We Spread Out Into Space And Establish Independent Colonies, Our Future Should Be Safe."

Galileo, Perhaps More Than Any Other Single Person, Was Responsible For The Birth Of Modern Science.

We Don't Let Animals Suffer, So Why Humans?

There Ought To Be Something Very Special About The Boundary Conditions Of The Universe And What Can Be More Special Than That There Is No Boundary?

Most Sets Of Values Would Give Rise To Universes That, Although They Might Be Very Beautiful, Would Contain No One Able To Wonder At That Beauty.

In Fact, If One Considers The Possible Constants And Laws That Could Have Emerged, The Odds Against A Universe That Produced Life Like Ours Are Immense.

Do You Ever Wonder How Much Deeper The Ocean Would Be Without Sponges?

Philosophers Have Not Kept Up With Modern Developments In Science. Particularly Physics.

I'd Say I Don't Believe In God, But I'm Afraid He Might Hear Me.

Issuing An Insurance Policy Against Abduction By Aliens Seems A Pretty Safe Bet.

If A Superior Alien Civilization Sent Us A Message Saying, 'we'll Arrive In A Few Decades', Would We Just Reply, 'ok, Call Us When You Get Here - We'll Leave The Lights On'? Probably Not - But This Is More Or Less What Is Happening With Ai.

Evolution Has Ensured That Our Brains Just Aren't Equipped To Visualise 11 Dimensions Directly. However, From A Purely Mathematical Point Of View It's Just As Easy To Think In 11 Dimensions, As It Is To Think In Three Or Four.

Save Water. Shower With Your Girlfriend.

Your Girlfriend

The Victim Should Have The Right To End His Life, If He Wants. But I Think It Would Be A Great Mistake. However Bad Life May Seem, There Is Always Something You Can Do, And Succeed At. While There's Life, There Is Hope.

[question: Do You Feel That Scientists Correct Themselves As Often As They Should?] More Often Than Politicians, But Not As Often As They Should.

My First Popular Book, 'a Brief History Of Time,' Aroused A Great Deal Of Interest, But Many Found It Difficult To Understand.

In Britain, Like Most Of The Developed World, Stem-cell Research Is Regarded As A Great Opportunity. America Will Be Left Behind If It Doesn't Change Policy.

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The Concern Here Is That Financial Services Become A Kind Of Tech-led Wild West.

The Laws Of Science Do Not Distinguish Between The Past And The Future.

If Time Travel Is Possible, Where Are The Tourists From The Future?

One Cannot Really Argue With A Mathematical Theorem.

So Long As The Universe Had A Beginning, We Could Suppose It Had A Creator. But If The Universe Is Really Completely Self-contained, It Would Have Neither Beginning Or End, It Would Simply Be. What Place Then For A Creator?

It Is Impossible To Imagine A Four-dimensional Space. I Personally Find It Hard Enough To Visualize A Three-dimensional Space!

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Creation Of The Universe

Science Can Explain The Universe Without The Need For A Creator.

While Physics And Mathematics May Tell Us How The Universe Began, They Are Not Much Use In Predicting Human Behavior Because There Are Far Too Many Equations To Solve. I'm No Better Than Anyone Else At Understanding What Makes People Tick, Particularly Women.

One Could Say: "the Boundary Condition Of The Universe Is That It Has No Boundary." The Universe Would Be Completely Self-contained And Not Affected By Anything Outside Itself. It Would Neither Be Created Nor Destroyed. It Would Just Be.

Religion Believes In Miracles, But These Aren't Compatible With Science.

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If You Understand How The Universe Operates, You Control It In A Way.

If You Are Lucky Enough To Find Love, Remember It Is There And Don't Throw It Away.

Not Only That God Does Play Dice, But That He Sometimes Confuses Us By Throwing Them Where They Can't Be Seen.

I May Contradict Myself, But At Least I Don't Contradict Myself.

What I Have Learned From Life Is To Make The Most Of What You Have Got.

If Any One Of About 40 Physical Qualities Had More Than Slightly Different Values, Life As We Know It Could Not Exist.

If The Total Energy Of The Universe Must Always Remain Zero, And It Costs Energy To Create A Body, How Can A Whole Universe Be Created From Nothing?

I Believe Things Cannot Make Themselves Impossible.

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Even If There Is Only One Possible Unified Theory, It Is Just A Set Of Rules And Equations. What Is It That Breathes Fire Into The Equations And Makes A Universe For Them To Describe?

People Think I'm A Simpsons Character.

I Have Sold More Books On Physics Than Madonna Has On Sex.

There Are Too Many Accidents That Can Befall Life On A Single Planet.

We Live In The Most Probable Of All Possible Worlds.

Go The Extra Mile. It Makes Your Boss Look Like An Incompetent Slacker.

Only Time - Whatever That May Be - Will Tell.

What Lies North Of The North Pole?

In The Last 200 Years The Population Of Our Planet Has Grown Exponentially, At A Rate Of 1.9% Per Year. If It Continued At This Rate, With The Population Doubling Every 40 Years, By 2600 We Would All Be Standing Literally Shoulder To Shoulder.

Everyone Can Enjoy A Life Of Luxurious Leisure If The Machine-produced Wealth Is Shared, Or Most People Can End Up Miserably Poor If The Machine-owners Successfully Lobby Against Wealth Redistribution.

I Don't Think The Human Race Will Survive The Next Thousand Years, Unless We Spread Into Space. There Are Too Many Accidents That Can Befall Life On A Single Planet. But I'm An Optimist. We Will Reach Out To The Stars.

Maybe I Don't Have The Most Common Kind Of Motor Neuron Disease, Which Usually Kills In Two Or Three Years.

It Is Tribute To How Far We Have Come In Theoretical Physics That It Now Takes Enormous Machines And A Great Deal Of Money To Perform Experiments Whose Results We Can Not Predict.

Theoretical Physics

[on President Bush's Plan To Get To Mars In 10 Years] Stupid. Robots Would Do A Better Job And Be Much Cheaper Because You Don't Have To Bring Them Back.

Time And Space Are Finite In Extent, But They Don't Have Any Boundary Or Edge. They Would Be Like The Surface Of The Earth, But With Two More Dimensions.

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I Enjoy All Forms Of Music - Pop, Classical And Opera.

What I Have Done Is To Show That It Is Possible For The Way The Universe Began To Be Determined By The Laws Of Science. In That Case, It Would Not Be Necessary To Appeal To God To Decide How The Universe Began. This Doesn't Prove That There Is No God, Only That God Is Not Necessary.

The Laws Of Science, As We Know Them At Present, Contain Many Fundamental Numbers, Like The Size Of The Electric Charge Of The Electron And The Ratio Of The Masses Of The Proton And The Electron .... The Remarkable Fact Is That The Values Of These Numbers Seem To Have Been Finely Adjusted To Make Possible The Development Of Life.

What Could Define God, [is Thinking Of God] As The Embodiment Of The Laws Of Nature. However, This Is Not What Most People Would Think Of That God. They Made A Human-like Being With Whom One Can Have A Personal Relationship. When You Look At The Vast Size Of The Universe And How Insignificant An Accidental Human Life Is In It, That Seems Most Impossible.

Science Is Not Only A Disciple Of Reason But, Also, One Of Romance And Passion.

You Cannot Predict The Future.

No One Can Resist The Idea Of A Crippled Genius.

I Do Not Believe In A Personal God.

Mankind's Greatest Achievements Have Come About By Talking And Its Greatest Failures By Not Talking. It Doesn’t Have To Be Like This.

Half The Battle Is Just Showing Up.

Sometimes I Wonder If I'm As Famous For My Wheelchair And Disabilities As I Am For My Discoveries.

It Is Generally Recognised That Women Are Better Than Men At Languages, Personal Relations And Multi-tasking, But Less Good At Map-reading And Spatial Awareness. It Is Therefore Not Unreasonable To Suppose That Women Might Be Less Good At Mathematics And Physics.

If Everything In The Universe Depends Upon Everything Else In A Fundamental Way, It Might Be Impossible To Get Close To A Full Solution By Investigating Parts Of The Problem In Isolation.

Working With My Father [stephen Hawking ] Is A Great Thrill - He Has The Amazing Ability To Hold Enormous Amounts Of Information In His Head.

I Have Sold More Books On Physics Than Madonna Has On Sex. [hawking Adopted This Statement From A Remark Made To Him By His Former Post-doc, Nathan Myhrvold.]

We Believe Human Begins Have Existed For Only A Small Fraction Of Cosmic History, Because Human Race Has Been Improving So Rapidly In Knowledge And Technology That If People Had Been Around For Millions Of Years, The Human Race Would Be Much Further Along In It's Mastery.

The Rate Of Progress Is So Rapid That What One Learns At School Or University Is Always A Bit Out Of Date. Only A Few People Can Keep Up With The Rapidly Advancing Frontier Of Knowledge, And They Have To Devote Their Whole Time To It And Specialize In A Small Area. The Rest Of The Population Has Little Idea Of The Advances That Are Being Made Or The Excitement They Are Generating.

With Genetic Engineering, We Will Be Able To Increase The Complexity Of Our Dna, And Improve The Human Race. But It Will Be A Slow Process, Because One Will Have To Wait About 18 Years To See The Effect Of Changes To The Genetic Code.

Before We Understand Science, It Is Natural To Believe That God Created The Universe. But Now Science Offers A More Convincing Explanation.

I Thought Eddie Redmayne Portrayed Me Very Well... At Times I Thought He Was Me.

It Matters That You Don't Just Give Up.

Though We Feel We Can Choose What We Do, Our Understanding Of The Molecular Basis Of Biology Shows That Biological Processes Are Governed By The Laws Of Physics And Chemistry And Therefore Are As Determined As The Orbits Of The Planets.

We Are Entering An Increasingly Dangerous Period Of Our History. But I'm An Optimist.

If There Really Is A Complete Unified Theory That Governs Everything, It Presumably Also Determines Your Actions. But It Does So In A Way That Is Impossible To Calculate For An Organism That Is As Complicated As A Human Being. The Reason We Say That Humans Have Free Will Is Because We Can't Predict What They Will Do.

Intelligence Is The Ability To Adapt To Change.

Every Man Should Marry. After All, Happiness Is Not The Only Thing In Life.

I Think Those Who Have A Terminal Illness And Are In Great Pain Should Have The Right To Choose To End Their Own Life, And Those That Help Them Should Be Free From Prosecution.

Some People Would Claim That Things Like Love, Joy And Beauty Belong To A Different Category From Science And Can't Be Described In Scientific Terms, But I Think They Can Now Be Explained By The Theory Of Evolution.

Theory Of Evolution

Maybe My Variety Is Due To Bad Absorption Of Vitamins.

I Think The Human Race Has No Future If It Doesn't Go Into Space.

I Put A Lot Of Effort Into Writing 'a Briefer History' At A Time When I Was Critically Ill With Pneumonia Because I Think That It's Important For Scientists To Explain Their Work, Particularly In Cosmology. This Now Answers Many Questions Once Asked Of Religion.

A Theory Is A Good Theory If It Satisfies Two Requirements: It Must Accurately Describe A Large Class Of Observations On The Basis Of A Model That Contains Only A Few Arbitrary Elements, And It Must Make Definite Predictions About The Results Of Future Observations.

Speech Has Allowed The Communication Of Ideas, Enabling Human Beings To Work Together To Build The Impossible. Mankind's Greatest Achievements Have Come About By Talking, And Its Greatest Failures By Not Talking. It Doesn't Have To Be Like This. Our Greatest Hopes Could Become Reality In The Future. With The Technology At Our Disposal, The Possibilities Are Unbounded. All We Need To Do Is Make Sure We Keep Talking.

If At First You Don't Succeed, Try Management.

Love The Neighbor. But Don't Get Caught.

You Cannot Understand The Glories Of The Universe Without Believing There Is Some Supreme Power Behind It.

You May See A Cup Of Tea Fall Off A Table And Break Into Pieces On The Floor... But You Will Never See The Cup Gather Itself Back Together And Jump Back On The Table. The Increase Of Disorder, Or Entropy, Is What Distinguishes The Past From The Future, Giving A Direction To Time.

But A Machine That Was Powerful Enough To Accelerate Particles To The Grand Unification Energy Would Have To Be As Big As The Solar System - And Would Be Unlikely To Be Funded In The Present Economic Climate.

One Might Think This Means That Imaginary Numbers Are Just A Mathematical Game Having Nothing To Do With The Real World. From The Viewpoint Of Positivist Philosophy, However, One Cannot Determine What Is Real. All One Can Do Is Find Which Mathematical Models Describe The Universe We Live In. It Turns Out That A Mathematical Model Involving Imaginary Time Predicts Not Only Effects We Have Already Observed But Also Effects We Have Not Been Able To Measure Yet Nevertheless Believe In For Other Reasons. So What Is Real And What Is Imaginary? Is The Distinction Just In Our Minds?

One Big Contribution My Father [stephen Hawking] Has Made Is To Show That Having A Disability Does Not Bar You From Leading A Full And Eventful Life.

It Matters If You Don't Just Give Up.

As We Shall See, The Concept Of Time Has No Meaning Before The Beginning Of The Universe. This Was First Pointed Out By St. Augustine. When Asked: What Did God Do Before He Created The Universe? Augustine Didn't Reply: He Was Preparing Hell For People Who Asked Such Questions. Instead, He Said That Time Was A Property Of The Universe That God Created, And That Time Did Not Exist Before The Beginning Of The Universe.

Chaos, When Left Alone, Tends To Multiply.

If We Can Avoid Disaster For The Next Two Centuries, Our Species Should Be Safe As We Spread Into Space. If We Are The Only Intellegent Beings In The Galaxy We Should Make Sure We Survive And Continue. . . . Our Only Chance Of Long-term Survival Is Not To Remain Inward Looking On Planet Earth But To Spread Out Into Space. We Have Made Remarkable Progress In The Last Hundred Years. But If We Want To Continue Beyond The Next Hundred Years, Our Future Is In Space.

The Universe Is Governed By Science. But Science Tells Us That We Can't Solve The Equations, Directly In The Abstract.

Mathematical Equations

The Life We Have On Earth Must Have Spontaneously Generated Itself. It Must Therefore Be Possible For Life To Generate Spontaneously Elsewhere In The Universe.

One Is Always A Long Way From Solving A Problem Until One Actually Has The Answer.

The Lesson Of The Book Is That The Universe Is Governed By The Laws Of Science.

With Genetic Engineering, We Will Be Able To Increase The Complexity Of Our Dna, And Improve The Human Race. But It Will Be A Slow Process, Because One Will Have To Wait About 18 Years To See The Effect Of Changes To The Genetic Code. By Contrast, Computers Double Their Speed And Memories Every 18 Months. There Is A Real Danger That Computers Will Develop Intelligence And Take Over. We Urgently Need To Develop Direct Connections To The Brain So That Computers Can Add To Human Intelligence Rather Than Be In Opposition.

If You Lined Up All The Cars In The World End To End, Someone Would Try To Pass Them.

The Human Race Does Not Have A Very Good Record Of Intelligent Behavior.

Once I Wept For I Had No Shoes. Then I Met A Man With No Feet, So I Took His Shoes. I Mean, It Wasn't As If He Was Going To Need Them.

What Was God Doing Before The Divine Creation? Was He Preparing Hell For People Who Asked Such Questions?

Many People Do Not Like The Idea That Time Has A Beginning, Probably Because It Smacks Of Divine Intervention. (the Catholic Church, On The Other Hand, Seized On The Big Bang Model And In 1951 Officially Pronounced It To Be In Accordance With The Bible.

Because Imaginary Time Behaves Like Another Direction In Space, Histories In Imaginary Time Can Be Closed Surfaces, Like The Surface Of The Earth, With No [existential] Beginning Or End.

The Large-scale Homogeneity Of The Universe Makes It Very Difficult To Believe That The Structure Of The Universe Is Determined By Anything So Peripheral As Some Complicated Molecular Structure On A Minor Planet Orbiting A Very Average Star In The Outer Suburbs Of A Fairly Typical Galaxy.

Look Up At The Stars, Not Down At Your Feet.

Computer Viruses Are Alive.

It Is Said That There's No Such Thing As A Free Lunch. But The Universe Is The Ultimate Free Lunch.

As A Child, I Wanted To Know How Things Worked And To Control Them. With A Friend, I Built A Number Of Complicated Models That I Could Control. It Was A Natural Next Step To Want To Know How The Universe Works.

All Of My Life, I Have Been Fascinated By The Big Questions That Face Us, And Have Tried To Find Scientific Answers To Them. If, Like Me, You Have Looked At The Stars, And Tried To Make Sense Of What You See, You Too Have Started To Wonder What Makes The Universe Exist.

Why Are We Here? Where Do We Come From? Traditionally, These Are Questions For Philosophy, But Philosophy Is Dead.

The Moment You Understand The Whole Universe, Is The Moment You Slightly Begin To Understand The Way God's Mind Works

In A World That Is In Chaos Politically, Socially And Environmentally, How Can The Human Race Sustain Another 100 Years?

You Can't Regulate Every Lab In The World.

I Have Experimental Evidence That Time Travel Is Not Possible.

We Could Call Order By The Name Of God, But It Would Be An Impersonal God. There's Not Much Personal About The Laws Of Physics.

God Abhors A Naked Singularity.

Our Only Chance Of Long-term Survival Is Not To Remain Lurking On Planet Earth, But To Spread Out Into Space.

Women. They Are A Complete Mystery.

The Human Race Shouldn't Have All Its Eggs In One Basket, Or On One Planet. Let's Hope We Can Avoid Dropping The Basket Until We Have Spread The Load.

Perhaps We Could Write Code To Optimize Code, Then Run That Code Through The Code Optimizer?

In A Brief History Of Time I Used The Word "god" Like Einstein Did As A Shorthand For The Laws Of Physics. However, This Is Not What Most People Mean By God, So I Have Decided Not To Use The Term. The Laws Of Physics Can Explain The Universe Without The Need For A God.

There Is A Real Danger That Computers Will Develop Intelligence And Take Over. We Urgently Need To Develop Direct Connections To The Brain So That Computers Can Add To Human Intelligence Rather Than Be In Opposition.

A Snooze Button Is A Poor Substitute For No Alarm Clock At All.

My Advice To Other Disabled People Would Be, Concentrate On Things Your Disability Doesn't Prevent You Doing Well, And Don't Regret The Things It Interferes With. Don't Be Disabled In Spirit, As Well As Physically.

It Is No Good Getting Furious If You Get Stuck. What I Do Is Keep Thinking About The Problem But Work On Something Else. Sometimes It Is Years Before I See The Way Forward. In The Case Of Information Loss And Black Holes, It Was 29 Years.

I Have So Much That I Want To Do. I Hate Wasting Time.

The Universe Does Not Behave According To Our Pre-conceived Ideas. It Continues To Surprise Us.

The Idea That We Are Alone In The Universe Seems To Me Completely Implausible And Arrogant, Considering The Number Of Planets And Stars That We Know Exist, It's Extremely Unlikely That We Are The Only Form Of Evolved Life.

I Don't Want To Write An Autobiography Because I Would Become Public Property With No Privacy Left.

Science Can Lift People Out Of Poverty And Cure Disease. That, In Turn, Will Reduce Civil Unrest.

There Is A Very Real Danger That We Will Kill Everything On This Planet Now That We Have The Technological Power To Do So.

I Like Physics, But I Love Cartoons.

Simplicity Is A Matter Of Taste

Think Of Our Dna. In The Last Million Years, Our Dna Hasn't Changed At All. It's Really Much The Same As It Was In The Jungle, A Million, Two Millions Years Ago. But In The Last 200 Years, Our Destructive Capacities Have Increased Many, Many Millions Of Times Over. Why Don't We See Intelligent Signals From Outer Space? Because In All Likelihood, Once The Civilization Reaches The Point Our Civilization Has Reached, It Destroys Itself.

No One Undertakes Research In Physics With The Intention Of Winning A Prize. It Is The Joy Of Discovering Something No One Knew Before.

Scientific Discovery May Not Be Better Than Sex, But The Satisfaction Lasts Longer.

The More You Learn, The More You Know. The More You Know, The More You Forget. The More You Forget, The Less You Know. So Why Bother To Learn.

The Simpsons Is The Best Thing On American Television.

American Television

We Shouldn't Be Surprised That Conditions In The Universe Are Suitable For Life, But This Is Not Evidence That The Universe Was Designed To Allow For Life. We Could Call Order By The Name Of God, But It Would Be An Impersonal God. There's Not Much Personal About The Laws Of Physics.

While There's Life, There Is Hope.

We Only Have To Look At Ourselves To See How Intelligent Life Might Develop Into Something We Wouldn't Want To Meet.

I’m Not Religious In The Normal Sense. I Believe The Universe Is Governed By The Laws Of Science. The Laws May Have Been Decreed By God, But God Does Not Intervene To Break The Laws.

When Something Is Made Idiot Proof, They Will Just Make Better Idiots.

If We Do Discover A Complete Theory, It Should Be In Time Understandable In Broad Principle By Everyone. Then We Shall All, Philosophers, Scientists, And Just Ordinary People Be Able To Take Part In The Discussion Of Why We And The Universe Exist.

Over A Very Small Number Of Rolls Of The Dice, The Uncertainty Principle Is Very Important.

Uncertainty Principle

So Einstein Was Wrong When He Said, "god Does Not Play Dice." Consideration Of Black Holes Suggests, Not Only That God Does Play Dice, But That He Sometimes Confuses Us By Throwing Them Where They Can't Be Seen.

Quiet People Have The Loudest Minds.

Science Will Win Because It Works.

I Have To Speak Through A Computer... In My Mind, I Am Free. Free To Explore The Universe And Ask The Big Questions...

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