Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself — and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.
— Richard Feynman, Caltech commencement address, 1974
Religion is a culture of faith; science is a culture of doubt.
— Richard Feynman
It doesn’t matter how beautiful your theory is, it doesn’t matter how smart you are. If it doesn’t agree with experiment, it’s wrong.
— Richard Feynman
Not only is the universe stranger than we imagine, it is stranger than we can imagine.
— Arthur Stanley Eddington
One may say the eternal mystery of the world is its comprehensibility.
— Albert Einstein
One thing I have learned in a long life: All our science, measured against reality, is primitive and childlike — and yet it is the most precious thing we have.
— Albert Einstein
It seems safe to say that significant discovery, really creative thinking, does not occur with regard to problems about which the thinker is lukewarm.
— Mary Henle
Never tackle a problem of which you can be pretty sure that (now or in the near future) it will be tackled by others who are, in relation to that problem, at least as competent and well-equipped as you.
— Edsger W. Dijkstra
Computer science is no more about computers than astronomy is about telescopes.
— Edsger W. Dijkstra
