If the world does improve on the whole, yet youth must always begin anew, and go through the stages of culture from the beginning.

I am part of the part that once was everything, Part of the darkness which gave birth to light… Mephistopheles, from Faust.

Every day we should hear at least one little song, read one good poem, see one exquisite picture, and, if possible, speak a few sensible words.

The happy do not believe in miracles.

The coward only threatens when he is safe.

Women are silver dishes into which we put golden apples.

All theory, dear friend, is gray, but the golden tree of life springs ever green.