One very important ingredient of success is a good, wide-awake, persistent, tireless enemy.

One very important ingredient of success is a good, wide-awake, persistent, tireless enemy.

We have met the enemy and he is us.

We have met the enemy and he is us.

The man of knowledge must be able not only to love his enemies but also to hate his friends.

The man of knowledge must be able not only to love his enemies but also to hate his friends.

You needn't love your enemy, but if you refrain from telling lies about him, you are doing well enough.

You needn't love your enemy, but if you refrain from telling lies about him, you are doing well enough.

An enemy is anyone who tells the truth about you.

An enemy is anyone who tells the truth about you.

The best weapon against an enemy is another enemy.

The best weapon against an enemy is another enemy.

I wish my deadly foe no worse, Than want of friends, and empty purse.

I wish my deadly foe no worse, Than want of friends, and empty purse.

Observe your enemies, for they first find out your faults.

Observe your enemies, for they first find out your faults.

If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your read more

If you want to make peace with your enemy, you have to work with your enemy. Then he becomes your partner.