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

The materials are indifferent, but the use we make of them is not a matter of indifference.

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.

It is difficulties that show what men are.

Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

An ignorant person is inclined to blame others for his own misfortune. To blame oneself is proof of progress. But the wise man never has to blame another or himself.

To live a life of virtue, you have to become consistent, even when it isn't convenient, comfortable, or easy.