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The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.

What you get by achieving your goals is not as important as what you become by achieving your goals. At your funeral people will not recall what you did； they will only remember how you made them feel.

當天賦不努力時，努力會戰勝天賦。

城市是人類最偉大的發明。