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… — Richard P. Feynman Copy Share Image
It's amazing how many people even today use a computer to do something you can do with a pencil and paper in… — Richard P. Feynman Copy Share Image
It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and space and different kinds of animals,… — Richard P. Feynman Copy Share Image
It is going to be necessary that everything that happens in a finite volume of space and time would have to be… — Richard P. Feynman Copy Share Image
“We are at the very beginning of time for the human race. Our responsibility is to do what we can, learn what… — Richard P. Feynman Copy Share Image
There is nothing in biology yet found that indicates the inevitability of death. This suggests to me that it is not at… — Richard P. Feynman Copy Share Image
The philosophical question before us is, when we make an observation of our track in the past, does the result of our… — Richard P. Feynman Copy Share Image
If you realize all the time what's kind of wonderful - that is, if we expand our experience into wilder and wilder… — Richard P. Feynman Copy Share Image
Working out another system to replace Newton's laws took a long time because phenomena at the atomic level were quite strange. One… — Richard P. Feynman Copy Share Image
No! Not for a second! I immediately began to think how this could have happened. And I realized that the clock was… — Richard P. Feynman Copy Share Image
I practiced drawing all the time and became very interested in it. If I was at a meeting that wasn't getting anywhere… — Richard P. Feynman Copy Share Image
It is scientific only to say what is more likely and what less likely, and not to be proving all the time… — Richard P. Feynman Copy Share Image
“How can we tell whether the rules which we "guess" at are really right if we cannot analyze the game very well?… — Richard P. Feynman Copy Share Image
“Another time somebody gave a talk about poetry. He talked about the structure of the poem and the emotions that come with… — Richard P. Feynman Copy Share Image
When I was about thirteen, the library was going to get 'Calculus for the Practical Man.' By this time I knew, from… — Richard P. Feynman Copy Share Image
We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But… — Richard P. Feynman Copy Share Image
It is our responsibility to leave the people of the future a free hand. — Richard P. Feynman Copy Share Image
There was a time when the newspapers said that only twelve men understood the theory of relativity. I do not believe there… — Richard P. Feynman Copy Share Image
Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute… — Richard P. Feynman Copy Share Image
I was born not knowing and have had only a little time to change that here and there. — Richard P. Feynman Copy Share Image
So my antagonist said, "Is it impossible that there are flying saucers? Can you prove that it's impossible?" "No", I said, "I… — Richard P. Feynman Copy Share Image
If we have an atom that is in an excited state and so is going to emit a photon, we cannot say… — Richard P. Feynman Copy Share Image
“We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But… — Richard P. Feynman Copy Share Image
“there is a physical problem that is common to many fields, that is very old, and that has not been solved. It… — Richard P. Feynman Copy Share Image
“Philosophers have said before that one of the fundamental requisites of science is that whenever you set up the same conditions, the same thing… — Richard P. Feynman Copy Share Image
My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous… — Richard P. Feynman Copy Share Image
Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful tightropes of logic… — Richard P. Feynman Copy Share Image
Mathematics is a language plus reasoning; it is like a language plus logic. Mathematics is a tool for reasoning. — Richard P. Feynman Copy Share Image
It is necessary for the very existence of science that minds exist which do not allow that nature must satisfy some preconceived conditions. — Richard P. Feynman Copy Share Image
“There was a Princess Somebody of Denmark sitting at a table with a number of people around her, and I saw an empty chair… — Richard P. Feynman Copy Share Image
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. — Richard P. Feynman Copy Share Image
“There's a big difference between knowing the name of something and knowing something.” — Richard P. Feynman Copy Share Image
The fact that you are not sure means that it is possible that there is another way someday. — Richard P. Feynman Copy Share Image
One cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to… — Richard P. Feynman Copy Share Image