Man is his own worst enemy.
[Lat., Nihil inimicius quam sibi ipse.]

Man is his own worst enemy.
[Lat., Nihil inimicius quam sibi ipse.]

Once is happenstance. Twice is coincidence. Three times is
enemy action.

Once is happenstance. Twice is coincidence. Three times is
enemy action.

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

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

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

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

A weak Invention of the Enemy.

A weak Invention of the Enemy.

A flatterer is a secret enemy

A flatterer is a secret enemy

The face of the enemy frightens me only when I see how much it resembles me

The face of the enemy frightens me only when I see how much it resembles me

Enemies are so stimulating.

Enemies are so stimulating.

You must consider every man your enemy who speaks ill of your
king; and . . . you must read more

You must consider every man your enemy who speaks ill of your
king; and . . . you must hate a Frenchman as you hate the devil.