Every place is safe to him who lives with justice.

To adorn our characters by the charm of an amiable nature shows at once a lover of beauty and a lover of man.

I laugh at those who think they can damage me. They do not know who I am, they do not know what I think, they cannot even touch the things which are really mine and with which I live.

It is the sign of a dull mind to dwell upon the cares of the body, to prolong exercise, eating and drinking and other bodily functions. These things are best done by the way; all your attention must be given to the mind.

We ought to flee the friendship of the wicked, and the enmity of the good.

It is impossible to begin to learn that which one thinks one already knows.

The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things.