"There are geniuses in trade as well as in war, or the state, or letters; and the reason why this or that man is fortunate is not to be told. It lies in the man: that is all anybody can tell you about it."

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But if you know that you are a man too, and that even such are those that rule, learn this first of all: that all human affairs are a wheel which, as it turns, does not allow the same men always to be fortunate.

— Herodotus