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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.

-Stephen Hawking

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Stephen Hawking

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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.

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More From Stephen Hawking

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.

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

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.

Succeed In Spite Of Management.

The Doctor Who Diagnosed Me With Als, Or Motor Neuron Disease, Told Me That It Would Kill Me In Two Or Three Years.

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.

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.

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.

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.

I Don't Fear God- I Fear His Believers.

Or In Other Words, Why Does Disorder Increase In The Same Direction Of Time As That In Which The Universe Expands?

So When People Ask Me If I Believe God Created The Universe, I Tell Them That The Question Itself Makes No Sense. Time Didn't Exist Before The Big Bang, So There Is No Time For God To Make The Universe In. It's Like Asking For Directions To The Edge Of The Earth; The Earth Is A Sphere, It Doesn't Have An Edge, So Looking For It Is A Futile Exercise.

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.

There Are No Black Holes - In The Sense Of Regimes From Which Light Can't Escape To Infinity. There Are However Apparent Horizons Which Persist For A Period Of Time.

Nothing Cannot Exist Forever.

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.

I Want To Encourage Public Interest In Space. I Have Never Let My Condition Stop Me. You Only Live Once.

You Only Live Once

In His Eyes Shone The Reflection Of The Most Beautiful Planet In The Universe---a Planet That Is Not Too Hot And Not Too Cold; That Has Liquid Water On The Surface And Where The Gravity Is Just Right For Human Beings And The Atmosphere Is Perfect For Them To Breathe; Where There Are Mountains And Deserts And Oceans And Islands And Forests And Trees And Birds And Plants And Animals And Insects And People---lots And Lots Of People. Where There Is Life. Some Of It, Possibly, Intelligent.

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.

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

Nothing Is Fool-proof To A Sufficiently Talented Fool.

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

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.

Simplicity Is A Matter Of Taste

We Should Seek The Greatest Value Of Our Action.

Science Makes God Unnecessary.

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

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.

We Are All Different. There Is No Such Thing As A Standard Or Run-of-the-mill Human Being, But We Share The Same Human Spirit.

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

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.

I Would Like Nuclear Fusion To Become A Practical Power Source. It Would Provide An Inexhaustible Supply Of Energy, Without Pollution Or Global Warming.

The World Has Changed Far More In The Past 100 Years Than In Any Other Century In History. The Reason Is Not Political Or Economic But Technological-technologies That Flowed Directly From Advances In Basic Science. Clearly, No Scientist Better Represents Those Advances Than Albert Einstein: Time's Person Of The Century.

One Could Imagine Such Technology Outsmarting Financial Markets, Out-inventing Human Researchers, Out-manipulating Human Leaders, And Developing Weapons We Cannot Even Understand.

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

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.]

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

I Have Experimental Evidence That Time Travel Is Not Possible.

Maxwell Is The Physicist's Physicist.

If It Were Only A Few Degrees, That Would Be Serious, But We Could Adapt To It. But The Danger Is The Warming Process Might Be Unstable And Run Away. We Could End Up Like Venus, Covered In Clouds And With The Surface Temperature Of 400 Degrees. It Could Be Too Late If We Wait Until The Bad Effects Of Warming Become Obvious. We Need Action Now To Reduce Emission Of Carbon Dioxide.

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.

To Confine Our Attention To Terrestrial Matters Would Be To Limit The Human Spirit.

Eternity Is A Long Time, Especially Towards The End.

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.

The Thing About Smart People Is That They Seem Like Crazy People To Dumb People.

What You Have Told Us Is Rubbish. The World Is Really A Flat Plate Supported On The Back Of A Giant Tortoise.

There Are Grounds For Cautious Optimism That We May Now Be Near The End Ofthe Search For The Ultimate Laws Of Nature.

It Is A Waste Of Time To Be Angry About My Disability. One Has To Get On With Life And I Haven't Done Badly. People Won't Have Time For You If You Are Always Angry Or Complaining.

Science Does Not Deny Religion, It Just Offers A Simpler Alternative.

Some Individuals Are Better Able Than Others To Draw The Right Conclusions About The World About Them And Act Accordingly. These Individuals Will Be More Likely To Survive And Reproduce So Their Pattern Of Behaviour And Thought Will Become Dominant

Plagiarism Saves Time.

I Would Rather Be Right Than Rigorous.

You Can't Regulate Every Lab In The World.

So Great A Contribution To Physics Was Two New Sciences That Scholars Have Long Maintained That The Book Anticipated Isaac Newton's Laws Of Motion.

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.

Computers Double Their Performance Every Month.

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.

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.

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

Computer Viruses Are Alive.

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

Mathematical Equations

Nothing Is Better Than Reading And Gaining More And More Knowledge.

The Universe In A Nutshell

Many People Do Not Like The Idea That Time Has A Beginning, Probably Because It Smacks Of Divine Intervention.

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

The Initial Configuration Of The Universe May Have Been Chosen By God, Or It May Itself Have Been Determined By The Laws Of Science. In Either Case, It Would Seem That Everything In The Universe Would Then Be Determined By Evolution According To The Laws Of Science, So It Is Difficult To See How We Can Be Masters Of Our Fate.

Physics As We Know It Will Be Over In Six Months - Max Born

[in The Universe It May Be That] Primitive Life Is Very Common And Intelligent Life Is Fairly Rare. Some Would Say It Has Yet To Occur On Earth.

I’m The Archetype Of A Disabled Genius, Or Should I Say A Physically Challenged Genius, To Be Politically Correct. At Least I’m Obviously Physically Challenged. Whether I’m A Genius Is More Open To Doubt.

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

Science Will Win Because It Works.

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

Someone Told Me That Each Equation I Included In The Book Would Halve The Sales.

The Boundary Condition Of The Universe Is That It Has No Boundary.

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

Time Travel Used To Be Thought Of As Just Science Fiction, But Einstein's General Theory Of Relativity Allows For The Possibility That We Could Warp Space-time So Much That You Could Go Off In A Rocket And Return Before You Set Out.

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.

The Beatings Will Continue Until Morale Improves.

Inspirational Office

Of Course It Is Possible That Ufo's Really Do Contain Aliens As Many People Believe, And The Government Is Hushing It Up

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

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

Because There Is A Law Such As Gravity, The Universe Can And Will Create Itself From Nothing. Spontaneous Creation Is The Reason There Is Something Rather Than Nothing, Why The Universe Exists, Why We Exist. It Is Not Necessary To Invoke God To Light The Blue Touch Paper And Set The Universe Going.

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.

We Each Exist For But A Short Time, And In That Time Explore But A Small Part Of The Whole Universe

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.

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

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

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.

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

Maybe My Variety Is Due To Bad Absorption Of Vitamins.

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.

Unless Mankind Redesigns Itself By Changing Our Dna Through Altering Our Genetic Makeup, Computer-genera Ted Robots Will Take Over Our World.

If We Ever Do Find A Complete Theory Of The Universe, It Would Be A Great Triumph Of Human Reason But It Wouldn't Leave Much For Us To Do. We Need An Intellectual Challenge.

I Was Not A Good Student. I Did Not Spend Much Time At College; I Was Too Busy Enjoying Myself.

Scientists Have Become The Bearers Of The Torch Of Discovery In Our Quest For Knowledge.

It Matters If You Don't Just Give Up.

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

I'm Really Easy To Get Along With Once You See It My Way.

Observations Indicate That The Universe Is Expanding At An Ever-increasing Rate. It Will Expand Forever, Getting Emptier And Darker. Although The Universe Doesn’t Have An End, It Had A Beginning In The Big Bang. One Might Ask What Is Before That But The Answer Is That There Is Nowhere Before The Big Bang Just As There Is Nowhere South Of The South Pole.

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

When The Going Gets Tough, The Tough Take A Coffee Break.

If The Rate Of Expansion One Second After The Big Bang Had Been Smaller By Even One Part In A Hundred Thousand Million Million, It Would Have Recollapsed Before It Reached Its Present Size. On The Other Hand, If It Had Been Greater By A Part In A Million, The Universe Would Have Expanded Too Rapidly For Stars And Planets To Form.

If I Had To Choose A Superhero To Be, I Would Pick Superman. He's Everything That I'm Not.

We Only Have To Look At Ourselves To See How Intelligent Life Might Develop Into Something We Wouldnt Want To Meet. I Imagine They Might Exist In Massive Ships, Having Used Up All The Resources From Their Home Planet. Such Advanced Aliens Would Perhaps Become Nomads, Looking To Conquer And Colonize Whatever Planets They Can Reach.

If I Knew What Was Going To Happen In Ten Years I Would Do It Now. I Just Follow My Nose.

Is God Omnipotent ? If He Is, Can He Create A Rock So Heavy He Can't Lift It ?

As Those Who Have Seen Jurassic Park Will Know, This Means A Tiny Disturbance In One Place, Can Cause A Major Change In Another. A Butterfly Flapping Its Wings Can Cause Rain In Central Park, New York. The Trouble Is, It Is Not Repeatable. The Next Time The Butterfly Flaps Its Wings, A Host Of Other Things Will Be Different, Which Will Also Influence The Weather. That Is Why Weather Forecasts Are So Unreliable.

Disability Can Be No Handicap.

I Don't Think The Human Race Will Survive The Next Thousand Years, Unless We Spread Into Space.

A Picture Is Worth A Thousand Words...and Uses Up A Thousand Times The Memory.

Picture Is Worth A Thousand Words

The Development Of Full Artificial Intelligence Could Spell The End Of The Human Race.

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.

Only A Very Few Would Allow Creatures Like Us To Exist. Thus Our Presence Selects Out From This Vast Array Only Those Universes That Are Compatible With Our Existence. Although We Are Puny And Insignificant On The Scale Of The Cosmos, This Makes Us In A Sense The Lords Of Creation.

We Are Just An Advanced Breed Of Monkeys On A Minor Planet Of A Very Average Star. But We Can Understand The Universe. That Makes Us Something Very Special.

I Want My Books Sold On Airport Bookstalls.

We Are In Danger Of Destroying Ourselves By Our Greed And Stupidity. We Cannot Remain Looking Inwards At Ourselves On A Small And Increasingly Polluted And Overcrowded Planet.

I Have Noticed Even People Who Claim Everything Is Predestined, And That We Can Do Nothing To Change It, Look Before They Cross The Road.

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

Many Badly Needed Goals, Like Fusion And Cancer Cure, Would Be Achieved Much Sooner If We Invested More.

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

One Can Imagine That God Created The Universe At Literally Any Time In The Past. On The Other Hand, If The Universe Is Expanding, There May Be Physical Reasons Why There Had To Be A Beginning. One Could Imagine That God Created The Universe At The Instant Of The Big Bang, Or Even Afterwards In Just Such A Way As To Make It Look As Though There Had Been A Big Bang, But It Would Be Meaningless To Suppose That It Was Created Before The Big Bang. An Expanding Universe Does Not Preclude A Creator, But It Does Place Limits On When He Might Have Carried Out His Job!

Expanding Universe

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

I'm Here To Chew Gum And Kick Some Ass, And I'm All Out Of Gum.

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

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

It's The Gravity That Shapes The Large Scale Structure Of The Universe, Even Though It Is The Weakest Of Four Categories Of Forces

However Difficult Life May Seem, There Is Always Something You Can Do And Succeed At.

Inspiring Movie

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.

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

Physically Disabled

Save Water. Shower With Your Girlfriend.

Your Girlfriend

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

Gravity Is So Strong That Space Is Bent Round Onto Itself, Making It Rather Like The Surface Of The Earth. If One Keeps Traveling In A Certain Direction On The Surface Of The Earth, One Never Comes Up Against An Impassable Barrier Or Falls Over The Edge, But Eventually Comes Back To Where One Started.

Time Travel May Be Possible, But It Is Not Practical.

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

Uncertainty Principle

What Lies North Of The North Pole?

Just Like A Computer, We Must Remember Things In The Order In Which Entropy Increases. This Makes The Second Law Of Thermodynamics Almost Trivial. Disorder Increases With Time Because We Measure Time In The Direction In Which Disorder Increases. You Can't Have A Safer Bet Than That!

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

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

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.

It [ai] Would Take Off On Its Own And Redesign Itself At An Ever Increasing Rate. Humans, Who Are Limited By Slow Biological Evolution, Couldn't Compete And Would Be Superseded.

There Is No Prescribed Route To Follow To Arrive At A New Idea. You Have To Make The Intuitive Leap.

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.

I Do Not Believe In A Personal God.

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.

I Think My Dad [ Stephen Hawking] Would Have Been Pleased If I Had Turned Out A Scientist Because He Truly Believes That Is The Most Interesting Career Open To Anyone. But He Also Believes That You Have To Follow Your Own Path In Life And So He Certainly Wasn't Going To Push Me Toward Theoretical Physics When It Didn't Look Like I Was Going In That Direction Naturally.

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.

[question: What Do You Think Was The Most Important Physics Idea To Emerge This Year?] We Won't Know For A Few Years.

There Is No Way That We Can Predict The Weather Six Months Ahead Beyond Giving The Seasonal Average.

There Should Be No Boundaries To Human Endeavor. However Bad Life May Seem, There Is Always Hope.

What Was God Doing Before The Divine Creation?

There Are Plenty Of Dead Scientists I Admire, But I Can't Think Of Any Living Ones. This Is Probably Because It Is Only In Retrospect That One Can See Who Made The Important Contributions.

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

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.

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

Half The Battle Is Just Showing Up.

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

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.

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?

Our Population And Our Use Of The Finite Resources Of Planet Earth Are Growing Exponentially, Along With Our Technical Ability To Change The Environment For Good Or Ill.

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

There Is No Unique Picture Of Reality.

I Am Just A Child Who Has Never Grown Up. I Still Keep Asking These 'how' And 'why' Questions. Occasionally, I Find An Answer.

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

The Universe And The Laws Of Physics Seem To Have Been Specifically Designed For Us. If Any One Of About 40 Physical Qualities Had More Than Slightly Different Values, Life As We Know It Could Not Exist: Either Atoms Would Not Be Stable, Or They Wouldn't Combine Into Molecules, Or The Stars Wouldn't Form Heavier Elements, Or The Universe Would Collapse Before Life Could Develop, And So On...

Being Confined To A Wheelchair Doesn't Bother Me As My Mind Is Free To Roam The Universe, But It Felt Wonderful To Be Weightless.

One Should Love Animals. They Are So Tasty.

People Think I'm A Simpsons Character.

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

We Are All Now Connected By The Internet, Like Neurons In A Giant Brain.

All My Adult Life People Have Been Helping Me.

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?

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.

I Think The Next [21st] Century Will Be The Century Of Complexity. We Have Already Discovered The Basic Laws That Govern Matter And Understand All The Normal Situations. We Don't Know How The Laws Fit Together, And What Happens Under Extreme Conditions. But I Expect We Will Find A Complete Unified Theory Sometime This Century. The Is No Limit To The Complexity That We Can Build Using Those Basic Laws.

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

Success Is A Relative Term. It Brings So Many Relatives.

Although Quantum Mechanics Has Been Around For Nearly 70 Years, It Is Still Not Generally Understood Or Appreciated, Even By Those That Use It To Do Calculations.

[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.

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

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

There Is A Real Danger That Computers Will Develop Intelligence And Take Over.

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

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.

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

Do You Believe In First Love - Or Should I Pass By Again?

I Am Damned If I'm Going To Die Before I Have Unraveled More Of The Universe

It Was Recently Discovered That Research Causes Cancer In Rats.

[i Think The Most About] Women. They Are A Complete Mystery.

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.

All That My Work Has Shown Is That You Don't Have To Say That The Way The Universe Began Was The Personal Whim Of God.

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.

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.

Because There Is A Law Such As Gravity, The Universe Can And Will Create Itself From Nothing.

Creation Of The Universe

If The Government Is Covering Up Knowledge Of Aliens, They Are Doing A Better Job Of It Than They Do At Anything Else.

I Believe Everyone Should Have A Broad Picture Of How The Universe Operates And Our Place In It. It Is A Basic Human Desire. And It Also Puts Our Worries In Perspective.

It Is Very Important For Young People Keep Their Sense Of Wonder And Keep Asking Why.

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

When I Was Young, Stephen Hawking Wasn't The World's Most Famous Physicist. The Fame Didn't Arrive Until The Publication Of "a Brief History Of Time," By Which Time I Was In My Late Teens. When I Was A Child, He Was Well Known Among Physicists, But They Are A Fairly Select, Serious Bunch, Not Much Given To Celebrity Idolizing.

There Should Be A Better Way To Start A Day Than Waking Up Every Morning.

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.

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