“‎The struggle of maturity is to recover the seriousness of a child at play.”

“Man's maturity: to have regained the seriousness that he had as a child at play.”

“The maturity of man—that means, to have reacquired the seriousness that one had as a child at play”

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

“In every real man, a child is hidden that wants to play.”

“Against boredom even gods struggle in vain.”

“Are you genuine? or just a play-actor? A representative? it the actual thing represented?-Ultimately you are even just an imitation play-actor....Second question for the conscience.”