“The man who throws the first punch has lost the argument.”
Another gem was about manners and etiquette. Today, so many people complain that the rules don’t make sense and that we shouldn’t be held to them. But as he says:
[I]t doesn’t matter whether or not the rules of manners make sense. What
matters is the effect of following these rules: people appreciate the
effort and respect shown them. In turn, they will show you respect.