All Mass Is Interaction.

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.

Physics Is To Mathematics What Sex Is To Masturbation.

It Is Scientific Only To Say What Is More Likely And What Less Likely, And Not To Be Proving All The Time The Possible And Impossible.

Once We Were Driving In The Midwest And We Pulled Into A Mcdonald's. Someone Came Up To Me And Asked Me Why I Have Feynman Diagrams All Over My Van. I Replied, "because I Am Feynman!" The Young Man Went, "ahhhhh!"

Every Instrument That Has Been Designed To Be Sensitive Enough To Detect Weak Light Has Always Ended Up Discovering That The Same Thing: Light Is Made Of Particles.