The Exception Tests The Rule.

We Scientists Are Clever — Too Clever — Are You Not Satisfied? Is Four Square Miles In One Bomb Not Enough? Men Are Still Thinking. Just Tell Us How Big You Want It!

First You Guess. Don't Laugh, This Is The Most Important Step. Then You Compute The Consequences. Compare The Consequences To Experience. If It Disagrees With Experience, The Guess Is Wrong. In That Simple Statement Is The Key To Science. It Doesn't Matter How Beautiful Your Guess Is Or How Smart You Are Or What Your Name Is. If It Disagrees With Experience, It's Wrong. That's All There Is To It.

In Those Days, In Far Rockaway, There Was A Youth Center For Jewish Kids At The Temple.... Somebody Nominated Me For President Of The Youth Center. The Elders Began Getting Nervous, Because I Was An Avowed Atheist By That Time.... I Thought Nature Itself Was So Interesting That I Didn't Want It Distorted Like That. And So I Gradually Came To Disbelieve The Whole Religion.

The Fundamental Principle Of Science, The Definition Almost, Is This: The Sole Test Of The Validity Of Any Idea Is Experiment.

Why Make Yourself Miserable Saying Things Like, "why Do We Have Such Bad Luck? What Has God Done To Us? What Have We Done To Deserve This?" - All Of Which, If You Understand Reality And Take It Completely Into Your Heart, Are Irrelevant And Unsolvable. They Are Just Things That Nobody Can Know. Your Situation Is Just An Accident Of Life.