The first principle is that you must not fool yourself and y... - Richard Feynman

"If you thought that science was certain - well, that is just an error on your part."

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

"Philosophy of science is about as useful to scientists as ornithology is to birds."

"If you thought you were trying to find out more about it because you're gonna get an answer to some deep philosophical question...you may be wrong! It may be that you can't get an answer to that particular question by finding out more about the character of nature. But my interest in science is to simply find out about the world."

"Physics isn't the most important thing. Love is."