Younger People Have So Many Opportunities. I

Scientifically Speaking, A Butterfly Is At Least As Mysterious As A Superstring. When Something Ceases To Be Mysterious It Ceases To Be Of Absorbing Interest To Scientists. Almost All Things Scientists Think And Dream About Are Mysterious.

One Of The Memorable Moments Of My Life Was When Willard Libby Came To Princeton With A Little Jar Full Of Crystals Of Barium Xenate. A Stable Compound, Looking Like Common Salt, But Much Heavier. This Was The Magic Of Chemistry, To See Xenon Trapped Into A Crystal.

If You're In The Business World, That's What's Expected: You Should Go Bust And Then Start Again On Something Else. So It's A Much More Relaxed Kind Of A Culture. It's Also Competitive, But Not In Such A Vicious Way. I Think The Academic World Is Actually Much More Destructive Of Young People.

It Has Become Part Of The Accepted Wisdom To Say That The Twentieth Century Was The Century Of Physics And The Twenty-first Century Will Be The Century Of Biology.

The Point Of Fact Is, Just In Simple Ways, You Can See How Much Better Things Have Gotten. I Mean, When I Was A Child, I Lived In England, And England Was Just Amazingly Polluted. We Didn't Use That Word. We Just Said It Was It All Covered With Soot.