The dyed-in-the-wool teacher takes everything seriously only with respect to his students--himself included.

I fly in dreams, I know it is my privilege, I do not recall a single situation in dreams when I was unable to fly. To execute every sort of curve and angle with a light impulse, a flying mathematics - that is so distinct a happiness that it has permanently suffused my basic sense of happiness.

Folk music is the original melody of man; it is the musical mirror of the world.

It is only because man believes himself to be free, not because he is free, that he experiences remorse and pricks of conscience.

Something unappeased, unappeasable, is within me.

Christianity in particular should be dubbed a great treasure-chamber of ingenious consolations, such a store of refreshing, soothing, deadening drugs has it accumulated within itself.

The man who sees little always sees less than there is to see; the man who hears badly always hears something more than there is to hear.