"If, however, he has his victim's weakness to exploit, then his efforts are worth his while."

"If you are grieved about anything external, it is not the thing itself that troubles you, but your judgment about it. And it is in your power to wipe out this judgment at any moment."

"Imagine a dog tied to a cart. If the dog wants to follow, it follows, adding its own will to the inevitable. But if the dog refuses to follow, it will be dragged along anyway."

"What would you rather have, a pig that grunts contentedly or a philosopher who complains?"

"What, then, is the fruit of these doctrines? It is the same as that of a vine: leaves, then a blossom, then a ripe cluster. So here, first an appearance, then an impulse, then an act. And the fruit is…"