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So far as one understands a man, one is that man. The man of genius takes his place in the above argument as he who understands incomparably more other beings than the average man. Goethe is said to have said of himself that there was no vice or crime of which he could not trace the tendency in himself, and that at some period of his life he could not have understood fully. The genius, therefore, is a more complicated, more richly endowed, more varied man; and a man is the closer to being a genius the more men he has in his personality, and the more really and strongly he has these others within him.
— OTTO WEININGER