You may be obliged to wage war, but not to use poisoned arrows.
Chance has something to say, even how to write a good letter.
It is better to have too much courtesy than too little, provided you are not equally courteous to all, for that would be injustice.
It is good to vary in order that you may frustrate the curious, especially those who envy you.
He that communicates his secret to another makes himself that other's slave.
Politeness is the chief sign of culture.