What disturbs and alarms man are not the things, but his opinions and fancies about the things.

And have you not received faculties which will enable you to bear all that happens to you? Have you not received greatness of spirit? Have you not received courage? Have you not received endurance?

Difficulty shows what men are.

He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

Whoever then wishes to be free, let him neither wish for anything nor avoid anything which depends on others: if he does not observe this rule, he must be a slave.

All philosophy lies in two words, sustain and abstain.

In life our first job is this, to divide and distinguish things into two categories: externals I cannot control, but the choices I make with regard to them I do control. Where will I find good and bad? In me, in my choices.