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No one has ever had an idea in a dress suit.

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I loathe the expression "What makes him tick." It is the American mind, looking for simple and singular solution, that uses the foolish expression. A person not only ticks, he also chimes and strikes the hour, falls and breaks and has to be put together again, and sometimes stops like an electric clock in a thunderstorm.

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If knowledge can create problems, it is not through ignorance that we can solve them.

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The world is a tragedy to those who feel, but a comedy to those who think.

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The people I distrust most are those who want to improve our lives but have only one course of action.

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The world is governed more by appearances than realities, so that it is fully as necessary to seem to know something as to know it.

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Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.

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Philosophers say a great deal about what is absolutely necessary for science, and it is always, so far as one can see, rather naive, and probably wrong.

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I was not a child prodigy, because a child prodigy is a child who knows as much when it is a child as it does when it grows up.

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We live in a Newtonian world of Einsteinian physics ruled by Frankenstein logic.

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