Play is a subset of voluntary behaviour involving a selective mechanism which reverses the usual contingencies of power so as to permit the subject a controllable and dialectical simulation of the moderately unmastered arousals and regulations of everyday life, in a way that is alternatively vivifying and euphoric.
Brian Sutton-SmithThe opposite of play isn’t work. It’s depression. To play is to act out and be willful, exultant and committed as if one is assured of one’s prospects.
Brian Sutton-Smith