First say to yourself what you would be; and then do what you have to do.

It doesn't take much to lose everything, just a little departure from reason

If someone speaks badly of you, do not defend yourself against the accusations, but reply; "you obviously don't know about my other vices, otherwise you would have mentioned these as well

No man is free who is not master of himself... Is freedom anything else than the power of living as we choose?

It is better to advise than upbraid, for the one corrects the erring; the other only convicts them.

These are the signs of a wise man: to reprove nobody, to praise nobody, to blame nobody, nor even to speak of himself or his own merits.

Men are not worried by things, but by their ideas about things. When we meet with difficulties, become anxious or troubled, let us not blame others, but rather ourselves. That is: our ideas about things.