Aristotle, Nicomachean Ethics
H. Rackham, Ed.

and a certain propriety in the sort of things we say and in our manner of saying them, and also in the sort of things we allow to be said to us; and it will also concern us whether those in whose company we speak or to whom we listen conform to the same rules of propriety. [2] And it is clear that in these matters too it is possible either to exceed or to fall short of the mean. [3]

Those then who go to excess in ridicule are thought to be buffoons and vulgar fellows, who itch to have their joke at all costs, and are more concerned to raise a laugh than to keep within the bounds of decorum and avoid giving pain to the object of their raillery. Those on the other hand who never by any chance say anything funny themselves and take offence at those who do, are considered boorish and morose. Those who jest with good taste are called witty¹ or versatile—that is to say, full of good turns; for such sallies seem to spring from the character, and we judge men's characters, like their bodies, by their movements. [4] But as matter for ridicule is always ready to hand, and as most men are only too fond of fun and raillery, even buffoons are called witty and pass for clever fellows; though it is clear from what has been said that Wit is different, and widely different, from Buffoonery. [5] The middle disposition is further characterized by the quality of tact, the possessor of which will say, and allow to be said to him, only the sort of things that are suitable to a virtuous man and a gentleman: since there is a certain propriety in what such a man will say