Great advantage is drawn from knowledge of your adversary, and when you know the measure of his intelligence and character, you can use it to play on his weakness.

In trying to defend everything he defended nothing.

Great things are achieved only when we take great risks.

Diplomacy without arms is like a concert without a score

All religions must be tolerated ... every man must go to heaven in his own way. [Die Religionen müssen alle toleriert werden ... denn hier muss ein jeder nach seiner Fasson selig werden.]

A crown is merely a hat that lets the rain in.

A man, who can, in cold blood, hunt and torture a poor, innocent animal, cannot feel much compassion for the distress of his own species.