On the occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use.

Man is troubled not by events, but by the meaning he gives them.

Shall I show you the sinews of a philosopher? What sinews are those? - A will undisappointed; evils avoided; powers daily exercised; careful resolutions; unerring decisions.

No one who is in a state of fear or sorrow or tension is free, but whosoever is delivered from sorrows or fears or anxieties is at the same time delivered from servitude.

When our friends are present we ought to treat them well; and when they are absent, to speak of them well.

Things themselves don't hurt or hinder us. Things simply are what they are. How we view these things is another matter.People think what they will think; it is of no concern to us.

If you want to improve, be content to be thought foolish and stupid with regard to external things. Don't wish to be thought to know anything; and even if you appear to be somebody important to others, distrust yourself. For, it is difficult to both keep your faculty of choice in a state conformable to nature, and at the same time acquire external things. But while you are careful about the one, you must of necessity neglect the other