You cannot treat with all the world at once.
History is the version of past events that people have decided to agree upon.
You must not fight too often with one enemy, or you will teach him all your art of war.
I have never loved anyone for love's sake except, perhaps, Josephine - a little.
Which is heavier: a soldier's pack or a slave's chains?
Chess is too difficult to be a game and not serious enough to be a science or an art.