Richard P. Feynman

“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.”

“Physics isn't the most important thing. Love is.”

“All the time you're saying to yourself, 'I could do that, but I won't,' — which is just another way of saying that you can't.”

“I couldn't claim that I was smarter than sixty-five other guys--but the average of sixty-five other guys, certainly!”

“– and pompous fools drive me up the wall. Ordinary fools are alright; you can talk to them and try to help them out. But pompous fools – guys who are fools and covering it all over and impre...”

“I think it's much more interesting to live not knowing than to have answers which might be wrong. I have approximate answers and possible beliefs and different degrees of uncertainty about d...”

“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 w...”

“I believe that a scientist looking at nonscientific problems is just as dumb as the next guy.”

“But there is nothing in biology yet found that indicates the inevitability of death.”

“We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is t...”

“We absolutely must leave room for doubt or there is no progress and there is no learning. There is no learning without having to pose a question. And a question requires doubt. People search...”

“Right. I don't believe in the idea that there are a few peculiar people capable of understanding math, and the rest of the world is normal. Math is a human discovery, and it's no more compli...”

“Physics is like sex: sure, it may give some practical results, but that's not why we do it.”

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

“The first principle is that you must not fool yourself and you are the easiest person to fool.”

“Religion is a culture of faith; science is a culture of doubt.”

“We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.”

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

“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...”

“What I am going to tell you about is what we teach our physics students in the third or fourth year of graduate school... It is my task to convince you not to turn away because you don't und...”