Compassion for the friend should conceal itself under a hard shell.

A good aphorism is too hard for the tooth of time, and is not worn away by all the centuries, although it serves as food for every epoch.

Under conditions of peace the warlike man attacks himself.

Great men's errors are to be venerated as more fruitful than little men's truths.

Nothing on earth consumes a man more quickly than the passion of resentment.

This woman is beautiful and clever: but how much cleverer she would have become if she were not beautiful!

All great artists and thinkers are great workers.