The first principle is that you must not fool yourself and y... - Richard Feynman
"The first principle is that you must not fool yourself and you are the easiest person to fool."
"The first principle is that you must not fool yourself and you are the easiest person to fool."
"Physics isn't the most important thing. Love is."
"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."
"Science is what we have learned about how to keep from fooling ourselves."
"I believe that a scientist looking at nonscientific problems is just as dumb as the next guy."
"You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts."