I Think The Next Century Will Be

Time Travel Was Once Considered Scientific Heresy, And I Used To Avoid Talking About It For Fear Of Being Labelled A 'crank.'

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.

The Human Race Is Just A Chemical Scum On A Moderate-sized Planet, Orbiting Around A Very Average Star In The Outer Suburb Of One Among A Hundred Billion Galaxies. We Are So Insignificant That I Can't Believe The Whole Universe Exists For Our Benefit. That Would Be Like Saying That You Would Disappear If I Closed My Eyes.

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

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