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Jokes of the proper kind, properly told, can do more to enlighten questions of politics, philosophy, and literature than any number of dull arguments.

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Humanity has the stars in its future, and that future is too important to be lost under the burden of juvenile folly and ignorant superstition.

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Never let your sense of morals prevent you from doing what is right.

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A planet might deteriorate even if human beings existed upon it, if the society were itself abnormal and did not understand the importance of preservi...more

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The Solarians have given up something mankind has had for a million years; something worth more than atomic power, cities, agriculture, tools, fire, e...more