You Cannot Predict The Future.

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.

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.

We Think We Have Solved The Mystery Of Creation. Maybe We Should Patent The Universe And Charge Everyone Royalties For Their Existence.

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

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