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So far as we know, all the fundamental laws of physics, like Newton's equations, are reversible.

— Richard Feynman The Feynman Lectures on Physics (1964)

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More quotes by Richard Feynman

I don't know anything, but I do know that everything is interesting if you go into it deeply enough.

The Pleasure of Finding Things Out (1999)

The first principle is that you must not fool yourself — and you are the easiest person to fool.

I learned very early the difference between knowing the name of something and knowing something.

What Do You Care What Other People Think? (1988)

Hell, if I could explain it to the average person, it wouldn't have been worth the Nobel prize.

statement (1965)

Tell your son to stop trying to fill your head with science — for to fill your heart with love is enough!

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Quote text and notes from Wikiquote: Richard Feynman (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.