Play lies outside the antithesis of wisdom and folly, and equally outside those of truth and falsehood, good and evil. Although it is a non-material activity it has no moral function. The valuations of vice and virtue do not apply here.
Quotes about play
Instead of the old saw “All is vanity”, the more positive conclusion forces itself upon us that “all is play”.
Play nurtures a supple mind, a willingness to think in new categories, and an ability to make unexpected associations.
You can deny, if you like, nearly all abstractions: justice, beauty, truth, goodness, mind, God. You can deny seriousness. But not play.