"Nowadays most people die of a sort of creeping common sense, and discover when it is too late that the only things one never regrets are one's mistakes."
"Even things that are true can be proved."
"When one is in love, one always begins by deceiving one's self, and one always ends by deceiving others. That is what the world calls a romance."
"You will always be fond of me. I represent to you all the sins you never had the courage to commit."
"Jemanden zu beeinflussen bedeutet, ihm eine fremde Seele zu geben."
"You have killed my love. You used to stir my imagination. Now you don't even stir my curiosity. You simply produce no effect. I loved you because you were marvelous, because you had genius and intellect, because you realized the dreams of great poets and gave shape and substance to the shadows of art. You have thrown it all away. You are shallow and stupid"