Whenever you are angry, be assured that it is not only a present evil, but that you have increased a habit.

If you think you control things that are in the control of others, you will lament. You will be disturbed and you will blame both gods and men.

Ruin and recovering are both from within.

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.

We do not choose our own parts in life, and have nothing to do with those parts. Our duty is confined to playing them well.

The essence of good and evil is a certain disposition of the will.

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.