Whoever has ever built a new heaven found the strength for it only in his own hell.

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  He who has a why to live can bear almost any how.

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  What does not kill me makes me stronger.

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  The most common lie is the one with which a man deceives himself.

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  Man is a rope, tied between beast and overman — a rope over an abyss.

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  One must still have chaos in oneself to be able to give birth to a dancing star.

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  He who fights with monsters should be careful lest he thereby become a monster.

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