And can anything else that is useful be accomplished without change? Do you not see then that for yourself also to change is just the same, and equally necessary for the universal nature?

When you are annoyed at someone's mistake, immediately look at yourself and reflect how you also fail; for example, in thinking that good equals money, or pleasure, or a bit of fame. By being mindful of this you'll quickly forget your anger, especially if you realize that the person was under stress, and could do little else. And, if you can, find a way to alleviate that stress.

A man makes no noise over a good deed, but passes on to another as a vine to bear grapes again in season.

And in the case of superior things like stars, we discover a kind of unity in separation. The higher we rise on the scale of being, the easier it is to discern a connection even among things separated by vast distances.

If it is not right do not do it; if it is not true do not say it.

Which is recorded of Socrates, that he was able both to abstain from, and to enjoy, those things which many are too weak to abstain from, and cannot enjoy without excess. But to be strong enough both to bear the one and to be sober in the other is the mark of a man who has a perfect and invincible soul.

A good disposition is invincible, if it be genuine.