What then is your duty? What the day demands.

nothing puts me so completely out of patience as the utterance of a wretched commonplace when I am talking from my inmost heart.

There is nothing so terrible as activity without insight.

Everything transitory is but an image.

For many people, one of the most frustrating aspects of life is not being able to understand other people's behavior.

He who enjoys doing and enjoys what he has done is happy.

The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it.