21. If anyone can refute me—show me I’m making a mistake or looking at things from the wrong perspective—I’ll gladly change. It’s the truth I’m after, and the truth never harmed anyone. What harms us is to persist in self-deceit and ignorance.

In a sense, people are our proper occupation. Our job is to do them good and put up with them.

Theophrastus is right, and philosophically sound, to say that the sin committed out of pleasure deserves a harsher rebuke than the one committed out of pain. The angry man is more like a victim of wrongdoing, provoked by pain to anger. The other man rushes into wrongdoing on his own, moved to action by desire.

Given the material we’re made of, what’s the sanest thing that we can do or say? Whatever it may be, you can do or say it. Don’t pretend that anything’s stopping you.

No random actions, none not based on underlying principles.

Concentrate every minute like a Roman—like a man—on doing what’s in front of you with precise and genuine seriousness, tenderly, willingly, with justice. And on freeing yourself from all other distractions. Yes, you can—if you do everything as if it were the last thing you were doing in your life, and stop being aimless, stop letting your emotions

You see how few things you have to do to live a satisfying and reverent life? If you can manage this, that’s all even the gods can ask of you.

Ambition means tying your well-being to what other people say or do. Self-indulgence means tying it to the things that happen to you. Sanity means tying it to your own actions.

You need to avoid certain things in your train of thought: everything random, everything irrelevant. And certainly everything self-important or malicious. You need to get used to winnowing your thoughts, so that if someone says, “What are you thinking about?” you can respond at once (and truthfully) that you are thinking this or thinking that.