Make no enemies; he is insignificant indeed that can do thee no harm.
He that openly tells, his friends all that he thinks of them, must expect that they will secretly tell his enemies much that they do not think of him.
If a cause be good, the most violent attack of its enemies will not injure it so much as an injudicious defence of it by its friends.
I will not be revenged, and this I owe to my enemy; but I will remember, and this I owe to myself.
Time, the cradle of hope.... Wisdom walks before it, opportunity with it, and repentance behind it: he that has made it his friend will have little to fear from his enemies, but he that has made it his enemy will have little to hope from his friends.
Emotion can be the enemy, if you give into your emotion, you lose yourself. You must be at one with your emotion, because the body always follows the mind.
We must identify our enemies and drive them into oblivion.
The wise person finds enemies more useful than the fool does friends .
Treat your enemies with courtesy, and you'll see how valuable it really is. It costs little but pays a nice dividend: those who honor are honored. Politeness and a sense of honor have this advantage: we bestow them on others without losing a thing.
Possession hinders enjoyment. It merely gives you the right to keep things for or from others, and thus you gain more enemies than friends.