“The opposite of play is not what is serious but what is real.”
Should we not look for the first traces of imaginative activity as early as in childhood? The child’s best-loved and most intense occupation is with his play or games. Might we not say that every child at play behaves like a creative writer, in that he creates a world of his own, or, rather, rearranges the things of his world in a new way which pleases him? It would be wrong to think he does not take that world seriously; on the contrary, he takes his play very seriously and he expends large amounts of emotion on it. The opposite of play is not what is serious but what is real. In spite of all the emotion with which he cathects his world of play, the child distinguishes it quite well from reality; and he likes to link his imagined objects and situations to the tangible and visible things of the real world. This linking is all that differentiates the child’s ‘play’ from ‘phantasying.’ The creative writer does the same as the child at play. He creates a world of phantasy which he takes very seriously — that is, which he invests with large amounts of emotion — while separating it sharply from reality.
See on www.brainpickings.org