Sincerity is that whereby self-completion is effected, and its way is that by which man must direct himself.
Our headstrong passions shut the door of our souls against God.
Never contract friendship with a man that is not better than thyself.
It is better not to proceed at all than to proceed without purpose.
The superior man understands what is right; the inferior man understands what will sell.
If you devote your life to seeking revenge, first dig two graves.