“Friends may come and go but enemies accumulate.”
“Reveal not every secret you have to a friend, for how can you tell but that friend may hereafter become and enemy. And bring not all mischief you are able to upon an enemy, for he may one day become your friend.”
“Go up close to your friend but do not go over to him! We should respect the enemy that is in our friend”
“Come, then, affliction, if my Father wills, and be my frowning friend. A friend that frowns is better than a smiling enemy. ”
“And when that time comes, let's hope your friends outnumber your enemies.”
“If the enemy of my enemy is my friend, then a friend of my enemy, is my enemy.”