It were no slight attainment could we merely fulfil what the nature of man implies.

It is not he who gives abuse that affronts, but the view that we take of it as insulting; so that when one provokes you it is your own opinion which is provoking.

What is the first business of one who practices philosophy? To get rid of self-conceit. For it is impossible for anyone to begin to learn that which he thinks he already knows.

Freedom is the only worthy goal in life. It is won by disregarding things that lie beyond our control. Stop aspiring to be anyone other than your own best self: for that does fall within your control.

No man is disturbed by things, but by his opinion about things.

It is not things in themselves which trouble us, but our opinions of things.

To the rational being only the irrational is unendurable, but the rational is endurable.