Unthinking respect for authority is the greatest enemy of truth.

Unthinking respect for authority is the greatest enemy of truth.

A weak Invention of the Enemy.

A weak Invention of the Enemy.

Never interrupt your enemy when he is making a mistake.

Never interrupt your enemy when he is making a mistake.

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

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

Every man is his own greatest enemy, and as it were his own
executioner.

Every man is his own greatest enemy, and as it were his own
executioner.

Hear not ill of a friend, nor speak any of an enemy.

Hear not ill of a friend, nor speak any of an enemy.

Use your enemy's hand to catch a snake

Use your enemy's hand to catch a snake

Am I not destroying my enemies when I make friends of them?

Am I not destroying my enemies when I make friends of them?

You and I were long friends; you are now my enemy, and I am
yours.

You and I were long friends; you are now my enemy, and I am
yours.