To make anything a habit, do it; to not make it a habit, do not do it; to unmake a habit, do something else in place of it.

If you wish to live a life free from sorrow, think of what is going to happen as if it had already happened.

What really frightens and dismays us is not external events themselves, but the way in which we think about them. It is not things that disturb us, but our interpretation of their significance.

We cannot choose our external circumstances, but we can always choose how we respond to them.

Wish that everything should come about just as it does.

Control thy passions lest they take vengence on thee.

Difficulty shows what men are. Therefore when a difficulty falls upon you, remember that God, like a trainer of wrestlers, has matched you with a rough young man. Why? So that you may become an Olympic conqueror; but it is not accomplished without sweat.