[The child] 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.
Sigmund FreudOne feels inclined to say that the intention that man should be 'happy' is not included in the plan of Creation.' . . . We are so made that we can derive intense enjoyment only from a contrast and very little from a state of things.
Sigmund Freud