An injury is much sooner forgotten than an insult.

Perish the universe, provided I have my revenge.

One of the most time-consuming things is to have an enemy.

To outwit an enemy is not only just and glorious but profitable and sweet.

Do we want laurels for ourselves most, / Or most that no one else shall have any?

The only competition worthy a wise man is with himself.

The envious die not once, but as often as the envied win applause.

When a coward sees a man he can beat, he becomes hungry for a fight.

Better a thousand enemies outside the house than one inside.

How can we bear misfortune most easily? If we see our enemies faring worse.

Revenge may be wicked, but it’s natural.

What mighty contests rise from trivial things.

Opposition may become sweet to a man when he has christened it persecution.