Indeed, the application of the adjective stoic to a person who shows strength and courage in misfortune probably owes more to the aristocratic Roman value system than it does to Greek philosophers. Stoicism.

Other people's mistakes? Leave them to their makers.

If you are pained by external things, it is not they that disturb you, but your own judgement of them. And it is in your power to wipe out that judgement now.

Let there be freedom from perturbations with respect to the things which come from the external cause; and let there be justice in the things done by virtue of the internal cause, that is, let there be movement and action terminating in this, in social acts, for this is according to thy nature. Thou.

They contemn one another, and yet they seek to please one another: and whilest they seek to surpass one another in worldly pomp and greatness, they most debase and prostitute themselves in their better part one to another.

How much time he gains who does not look to see what his neighbour says or does or thinks, but only at what he does himself, to make it just and holy.

All that comes to pass is as familiar and well known as the rose in spring, and the grape in summer. Of like fashion are sickness, death, calumny, intrigue, and all that gladdens or saddens the foolish.