Richard Feynman
“The first principle is that you must not fool yourself—and you are the easiest person to fool.”
“If I could explain it to the average person, I wouldn’t have been worth the Nobel Prize.”
“Nature’s imagination is so much greater than man’s.”
“No problem is too small or too trivial if we can really do something about it.”
“Science is the belief in the ignorance of experts.”
“There's plenty of room at the bottom.”
“Physics is like sex: sure, it may give some practical results, but that's not why we do it.”
“I would rather have questions that can't be answered than answers that can't be questioned.”
“For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.”
“I think I can safely say that nobody understands quantum mechanics.”
“I learned very early the difference between knowing the name of something and knowing something.”
“What I cannot create, I do not understand.”
“The first principle is that you must not fool yourself — and you are the easiest person to fool.”