Euripides was wont to say, silence was an answer to a wise man; but we seem to have greater occasion for it in our dealing with fools and unreasonable persons; for men of breeding and sense will be satisfied with reason and fair words.
You had to deal every day with people who were foolish and lazy and untruthful and downright unpleasant, and you could certainly end up thinking that the world would be considerably improved if you gave them a slap.
It is ill-manners to silence a fool and cruelty to let him go on
If you make a deal with a fool, don't be surprised when they act foolishly.
Look what I’m dealing with, man, I’m dealing with fools and trolls.
To turn away a guest is poorest poverty; To bear with fools is mightiest might.