The relation of a genius to his age is that which exists between strength and weakness and between maturity and youth
 Friedrich Nietzsche, Twilight of the Idols (1889). copy citation

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Author Friedrich Nietzsche
Source Twilight of the Idols
Topic maturity weakness
Date 1889
Language English
Reference
Note Translated by Anthony M. Ludovici
Weblink https://www.gutenberg.org/files/52263/52263-h/52263-h.htm

Context

“Great men are necessary, the age in which they appear is a matter of chance; the fact that they almost invariably master their age is accounted for simply by the fact that they are stronger, that they are older, and that power has been stored longer for them. The relation of a genius to his age is that which exists between strength and weakness and between maturity and youth: the age is relatively always very much younger, thinner, less mature, less resolute and more childish. The fact that the general opinion in France at the present day, is utterly different on this very point” source