If a man is unhappy, remember that his unhappiness is his own fault, for God made all men to be happy.

It is not the events but our viewpoint toward events that is the determining factor. We ought to be more concerned about removing wrong thoughts from the mind than removing tumors and abscesses from the body.

When you want to hear a philosopher, do not say, 'You say nothing to me'; only show yourself worthy or fit to hear, and then you will see how you will move the speaker.

You have been given your own work to do. Get to it right now, do your best at it, and don't be concerned with who is watching you. Create your own merit.

Cowardice, the dread of what will happen.

The origin of sorrow is this: to wish for something that does not come to pass.

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.