More quotes by Richard Feynman

"If you thought that science was certain - well, that is just an error on your part."
"Physics is like sex: sure, it may give some practical results, but that's not why we do it."
"Nobody ever figures out what life is all about, and it doesn't matter. Explore the world. Nearly everything is really interesting if you go into it deeply enough."
"Philosophy of science is about as useful to scientists as ornithology is to birds."
"[Quantum mechanics] describes nature as absurd from the point of view of common sense. And yet it fully agrees with experiment. So I hope you can accept nature as She is - absurd."