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Art originates in play - in improvisation, experiment, and fantasy; it remains forever, in its deepest instincts, playful and spontaneous, an exercise of the imagination analogous to the exercising of the physical body to no purpose other than ecstatic release.

Joyce Carol Oates (2009). “The Faith of a Writer: Life, Craft, Art”, p.39, Zondervan
Art originates in play - in improvisation, experiment, and fantasy; it remains forever, in its deepest instincts, playful and spontaneous, an exercise of the imagination analogous to the exercising of the physical body