If you take care of it and identify with it, you will never be blocked or frustrated; you won’t have to complain, and never will need to blame or fla… - Epictetus

What’s odd in asserting that what’s bad for anything is what runs contrary to its nature? You say it for everything else, why make humanity the sole exception?

Everything has two handles, the one by which it may be carried, the other by which it cannot. If your brother acts unjustly, don't lay hold on the action by the handle of his injustice, for by that it cannot be carried; but by the opposite, that he is your brother, that he was brought up with you; and thus you will lay hold on it, as it is to be carried. (43).

If what the philosophers say be true,—that all men's actions proceed from one source; that as they assent from a persuasion that a thing is so, and dissent from a persuasion that it is not, and suspend their judgment from a persuasion that it is uncertain,—so likewise they seek a thing from a persuasion that it is for their advantage.