Self-education is, I firmly believe, the only kind of education there is. The only function of a school is to make self-education easier; failing that, it does nothing.

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What is really amazing, and frustrating, is mankind's habit of refusing to see the obvious and inevitable until it is there, and then muttering about unforeseen catastrophes.

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People think of education as something that they can finish.

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There are no nations! There is only humanity. And if we don't come to understand that right soon, there will be no nations, because there will be no humanity.

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The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

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People who think they know everything are a great annoyance to those of us who do.

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When stupidity is considered patriotism, it is unsafe to be intelligent.

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So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe.

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Today's science fiction is tomorrow's science fact.

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The easiest way to solve a problem is to deny it exists.

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