Whosoever does wrong, wrongs himself; whosoever does injustice, does it to himself, making himself evil.

Search men's governing principles, and consider the wise, what they shun and what they cleave to.

Our inward power, when it obeys nature, reacts to events by accommodating itself to what it faces - to what is possible. It needs no specific material. It pursues its own aims as circumstances allow; it turns obstacles into fuel. As a fire overwhelms what would have quenched a lamp. What's thrown on top of the conflagration is absorbed, consumed by it - and makes it burn still higher.

How easy it is to repel and release every impression which is troublesome and immediately to be tranquil.

Wilt thou, then, my soul, never be good and simple and one and naked, more manifest than the body which surrounds thee?

Observe the movements of the stars as if you were running their courses with them, and let your mind constantly dwell on the changes of the elements into each other. Such imaginings wash away the filth of life on the ground.

Frequently consider the connection of all things in the universe.