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

"Time is the friend of the wonderful company, the enemy of the mediocre"

"The idea that a war can be won by standing on the defensive and waiting for the enemy to attack is a dangerous fallacy, which owes its inception to the desire to evade the price of victory"

"I don't have a warm personal enemy left. They've all died off. I miss them terribly because they helped define me"

"The enemy is within the gates; it is with our own luxury, our own folly, our own criminality that we have to contend"

"The best weapon against an enemy is another enemy"

"Go up close to your friend, but do not go over to him! We should also respect the enemy in our friend"

"An enemy generally says and believes what he wishes"

"Its best to weigh the enemy more mighty than he seems"

"It is easy enough to be friendly to one's friends. But to befriend the one who regards himself as your enemy is the quintessence of true religion. The other is mere business"

"Anger is the enemy of non-violence and pride is a monster that swallows it up"