Which of us is happy in this world? Which of us has his desire? or, having it, is satisfied? – come, children, let us shut up the box and the puppets, for our play is played out.
The maturity of man — that means, to have reacquired the seriousness that one had as a child at play.
In order to escape ennui, a man either works beyond the extent of his former necessities, or he invents play, that is to say, work that is only intended to appeas the general necessity for work.