Three metamorphoses of the spirit I relate to you: how the spirit becomes a camel; and the camel, a lion; and the lion, finally, a child.

I love him who is of a free spirit and a free heart: thus is his head only the bowels of his heart; his heart, however, causeth his down-going.

Life without music is only error, exhaustion, exile... Indeed, there is nothing that concerns me more than the fate of music.

This mother needs happy, reputable children, and that one needs unhappy ones: otherwise she cannot show her kindness as a mother.

My brother, are war and battle evil? Necessary, however, is the evil; necessary are the envy and the distrust and the back-biting among the virtues.

It is a prejudice to think that morality is more favourable to the development of reason than immorality.

The reasons for which 'this' world has been characterized as 'apparent' are the very reasons which indicate its reality; any other kind of reality is absolutely indemonstrable.