The riddle of his existence

... pero es que hay pocas cosas nuevas bajo el Sol y la Luna:

Sometimes, though not often, he had dreams, and they were more painful than the dreams of other boys. For hours he could not be separated from these dreams, though he wailed piteously in them. They had to do, I think, with the riddle of his existence. At such times it had been Wendy's custom to take him out of bed and sit with him on her lap, soothing him in dear ways of her own invention, and when he grew calmer to put him back to bed before he quite woke up, so that he should not know of the indignity to which she had subjected him.

Peter Pan, by J.M. Barrie