In the practice of tolerance, one's enemy is the best teacher.
The best is the enemy of good.
If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your partner.
Tact is the art of making a point without making an enemy.
Love your Enemies, for they tell you your faults.
Opponents often need each other more than friends, for without wind, the mills won't run.
Pay attention to your enemies, for they are the first to discover your mistakes.
Privilege is the greatest enemy of right.
I have decided not to oppose anyone ever again, since I have noticed that I always end by resembling my latest enemy.
Certainly, in taking revenge, a man is but even with his enemy; but in passing it over, he is superior; for it is a prince's part to pardon.
The great enemy of clear language is insincerity. When there is a gap between one's real and one's declared aims, one turns as it were instinctively to long words and exhausted idioms, like a cuttlefish spurting out ink.
The artist can wish for nothing better than blunt friends and polite enemies.
You have enemies? Good. That means you've stood up for something, sometime in your life.
The two enemies of human happiness are pain and boredom.
The best weapon against an enemy is another enemy.
It is lamentable, that to be a good patriot one must become the enemy of the rest of mankind.