How can we learn self-knowledge? Never by taking thought but rather by action. Try to do your duty and you'll soon discover what you're like.

One must be something to be able to do something.

If your treat an individual... as if he were what he ought to be and could be, he will become what he ought to be and could be.

Noble be man, helpful and good!

He who can not learn to love must flatter.

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

I have found among my papers a sheet . . . in which I call architecture frozen music.