Richard Feynman Quotes
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The chance is high that the truth lies in the fashionable direction. But, on the off-chance that it is in another direction - a direction obvious from an unfashionable view of field theory - who will find it? Only someone who has sacrificed himself by teaching himself quantum electrodynamics from a peculiar and unusual point of view; one that he may have to invent for himself.
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There is no harm in doubt and skepticism, for it is through these that new discoveries are made.
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It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.
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It turns out that all life is interconnected with all other life.
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Unless a thing can be defined by measurement, it has no place in a theory. And since an accurate value of the momentum of a localized particle cannot be defined by measurement it therefore has no place in the theory.
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Doubt is clearly a value in science. It is important to doubt and that the doubt is not a fearful thing, but a thing of great value.
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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 to do what we can, learn what we can, improve the solutions, and pass them on.
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Physicists like to think that all you have to do is say, these are the conditions, now what happens next?
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To decide upon the answer is not scientific. In order to make progress, one must leave the door to the unknown ajar ajar only.
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The "paradox" is only a conflict between reality and your feeling of what reality "ought to be."
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Agnostic for me would be trying to weasel out and sound a little nicer than I am about this.
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When things are going well, something will go wrong. / When things just can't get any worse, they will. / Anytime things appear to be going better, you have overlooked something.
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The test of all knowledge is experiment. Experiment is the sole judge of scientific truth.
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You can always recognize truth by its beauty and simplicity.
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It is not unscientific to make a guess, although many people who are not in science think it is.
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There's plenty of room at the bottom.
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A philosopher once said, 'It is necessary for the very existence of science that the same conditions always produce the same results.' Well, they don't!
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If you don't like it, go somewhere else, to another universe where the rules are simpler.
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I don't have to be good because they think I'm going to be good.
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I love only nature, and I hate mathematicians.
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Physics is not the most important thing. Love is.
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We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."
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Whenever you see a sweeping statement that a tremendous amount can come from a very small number of assumptions, you always find that it is false. There are usually a large number of implied assumptions that are far from obvious if you think about them sufficiently carefully.
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To develop working ideas efficiently, I try to fail as fast as I can.