the Enemy
Examples
Fear is the enemy of logic.
The supreme art of war is to subdue the enemy without fighting.
Now the reason the enlightened prince and the wise general conquer the enemy whenever they move and their achievements surpass those of ordinary men is foreknowledge.
Beware, the enemy lies under your blanket.
The friend who helps me and the enemy who does me no harm, make a pair of earrings.
There are three kinds of enemy: the enemy himself, the friends of your enemy, and the enemies of your friends.