The wrongdoer is often the person who left something undone, rather than the person who has done something

A lucky chance is constant in nothing but inconstancy.

How powerful is man! He is able to do all that God wishes him to do. He is able to accept all that God sends upon him.

Begin - to begin is half the work, let half still remain; again begin this, and thou wilt have finished.

When another blames you or hates you, or people voice similar criticisms, go to their souls, penetrate inside and see what sort of people they are. You will realize that there is no need to be racked with anxiety that they should hold any particular opinion about you.

Tranquility is nothing else than the good ordering of the mind.

Hast thou reason? I have. Why then dost not thou use it? For if this does its own work, what else dost thou wish?