Deny yourself! You must deny yourself! That is the song that never ends.
Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.
Colour itself is a degree of darkness.
A phenomenon like Mozart remains an inexplicable thing.
Whatever you cannot understand, you cannot possess.
Impotent hatred is the most horrible of all emotions; one should hate nobody whom one cannot destroy.