Life is short, art long, opportunity fleeting, experiment treacherous, judgment difficult.

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  As to diseases, make a habit of two things: to help, or at least to do no harm.

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  They change their sky, not their soul, who rush across the sea.

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  You may drive out nature with a pitchfork, yet she will always come back.

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  We should desire few things ardently if we knew perfectly what we desire.

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  We should often be ashamed of our finest actions if the world saw all the motives that produce them.

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  The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

All aphorisms