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Men make history, and not the other way around. In periods where there is no leadership, society stands still. Progress occurs when courageous, skillful leaders seize the opportunity to change things for the better.

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The secret of happiness in not in what one likes to do, but in what one has to do.

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Hold yourself responsible for a higher standard than anybody else expects of you. Never excuse yourself. Never pity yourself. Be a hard master to yourself - and be lenient to everybody else.

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The bigger the smile, the sharper the knife.

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Tradition is the social equivalent of personal habit.

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If everything on earth were rational, nothing would happen.

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When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years.

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I have come to value liberated minds as the supreme good of life on earth.

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My computer beat me at checkers, but I sure beat it at kickboxing.

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Buying books would be a good thing if one could also buy the time to read them in: but as a rule the purchase of books is mistaken for the appropriation of their contents.

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