“A thinking man never be a party man.”

“Is man merely a mistake of God's? Or God merely a mistake of man?”

“In a real man there is a child hidden: it wants to play. Up then, you women, and discover the child in man!”

“Ein Buch, das man liebt, darf man nicht leihen, sondern muss es besitzen.”

“What destroys a man more quickly than to work, think and feel without inner necessity, without any deep personal desire, without pleasure - as a mere automaton of duty?”

“What is great in man is that he is a bridge and not a goal: what is lovable in man is that he is an over-going and a down-going.”

“The same passions in man and woman nonetheless differ in tempo; hence man and woman do not cease misunderstanding one another.”