Nothing outside the will can hinder or harm the will; it can only harm itself. If then we accept this, and, when things go amiss, are inclined to blame ourselves, remembering that judgment alone can disturb our peace and constancy, I swear to you by all the gods that we have made progress.

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

To Epictetus, all external events are determined by fate, and are thus beyond our control, but we can accept whatever happens calmly and dispassionately. Individuals, however, are responsible for their own actions which they can examine and control through rigorous self-discipline. Suffering arises from trying to control what is uncontrollable, or from neglecting what is within our power. As part of the universal city that is the universe, human beings have a duty of care to all fellow humans. The person who followed these precepts would achieve happiness.

Difficulty shows what men are.

Happiness and personal fulfillment are the natural consequences of doing the right thing.

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

Don't explain your philosophy. Embody it.