Richard Feynman — "I was an average student, but I had a good teacher."

"I have a friend who is an artist and has some pictures which he thinks are very good... and he says, 'I am a value-free man. I don't believe in values.' And I say, 'Oh, really? Then why are your pictu…"

"I just want to understand the world, and I find that the best way to do that is to ask a lot of questions."

"It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and space and different kinds of animals, and all the different planets, and all these atoms with all th…"

"The principle of science, the definition, almost, is the following: The test of all knowledge is experiment. Experiment is the sole judge of scientific truth."

"I got a dollar for my patent! I give it to everybody. Result: everybody who has one of these patent because it was easy a lot of people had been sending things in lots of patents. Everybody come down …"