Enemy

"I choose my friends for their good looks, my acquaintances for their good characters, and my enemies for their good intellects."

"Know thy self, know thy enemy. A thousand battles, a thousand victories."

"It is a man's own mind, not his enemy or foe, that lures him to evil ways."

"There is nothing so likely to produce peace as to be well prepared to meet the enemy."

"In the end, we will remember not the words of our enemies, but the silence of our friends."

"He will win who, prepared himself, waits to take the enemy unprepared."

"If you know the enemy and know yourself, your victory will not stand in doubt; if you know Heaven and know Earth, you may make your victory complete."

"Your Worst Enemy Could Be Your Best Friend & Your Best Friend Your Worst Enemy."

"Know your enemy and know yourself and you can fight a hundred battles without disaster,"

"It takes your enemy and your friend, working together, to hurt you to the heart: the one to slander you and the other to get the news to you."

"The enemy is the necessary condition for practicing patience."

"Your worst enemy cannot hurt you as much as your own thoughts, when you haven’t mastered them."