men who are too old, like men who are too young, produce children who are defective in body and mind
 Aristotle, Politics (4th century BC). copy citation

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Author Aristotle
Source Politics
Topic body mind
Date 4th century BC
Language English
Reference
Note Translated by Benjamin Jowett
Weblink http://classics.mit.edu/Aristotle/politics.html

Context

“what may or may not be lawfully done in these cases depends on the question of life and sensation. And now, having determined at what ages men and women are to begin their union, let us also determine how long they shall continue to beget and bear offspring for the state; men who are too old, like men who are too young, produce children who are defective in body and mind; the children of very old men are weakly. The limit then, should be the age which is the prime of their intelligence, and this in most persons, according to the notion of some poets who measure life by periods of seven years, is about fifty;” source