If you hear that someone is speaking ill of you, instead of trying to defend yourself you should say: ‘He obviously does not know me very well, since… - Epictetus

In this body, this universe, this community, it is inevitable that each of us faces some such event. [28] Your job, then, is to appear before the court, say what you have to say and make the best of the situation. [29] Then the judge declares you guilty. ‘I wish you well, judge. I did my part, you can decide if you did yours.’ Because the judge runs a risk too, don’t forget.

It's impossible for a man to learn what he thinks he already knows.

Well, when do we act like sheep: when we act for the sake of the belly, or of our sex-organs, or at random, or in a filthy fashion, or without due consideration, to what level have we degenerated?

To the level of sheep.