It takes physical courage to indulge in wickedness. The "good" are too cowardly to do it.

A life without music is an error.

Everyone who has ever built anywhere a "new heaven" first found the power thereto in his own hell.

There are men who desire power simply for the sake of the happiness it will bring; these belong chiefly to political parties.

We are in the greatest danger of being run over when we have just gotten out of the way of a carriage.

One's own self is well hidden from one's own self; of all mines of treasure, one's own is the last to be dug up.

So long as the spectator has to figure out the meaning of this or that person, or the presuppositions of this or that conflict of inclinations and purposes, he cannot become completely absorbed in the activities and sufferings of the chief characters or feel breathless pity and fear.