642 Quotes by Richard P. Feynman

In any organization there ought to be the possibility of discussion... fence sitting is an art, and it's difficult, and it's important to do, rather than to go headlong in one direction or the other. It's just better to have action, isn't it than to sit on the fence? Not if you're not sure which way to go, it isn't.

Therefore psychologically we must keep all the theories in our heads, and every theoretical physicist who is any good knows six or seven different theoretical representations for exactly the same physics.

This is not yet a scientific age.

Before I was born, my father told my mother, 'If it's a boy, he's going to be a scientist.'

Have no respect whatsoever for authority; forget who said it and instead look what he starts with, where he ends up, and ask yourself, "Is it reasonable?"

When a Caltech student asked the eminent cosmologist Michael Turner what his "bias" was in favoring one or another particle as a likely candidate to compromise dark matter in the universe, Feynmann snapped, "Why do you want to know his bias? Form your own bias!"

I've always been very one-sided about science, and when I was younger, I concentrated almost all my effort on it.

From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell's discovery of the laws of electrodynamics.

If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar