Bowling is the gift of Humbaba (Son of Clyde) to man, given to uplift him and, at the same time, to remind him of his deficiencies. While perfection may bring man joy, it is perfection not rewarded that keeps him humble. And while all may take solace in seeing errors punished, it is the unpunished error, the error that is in fact rewarded, that reminds man that life itself is not fair, that in fact the notion of "fair" is a false thing, having nothing to do with reality. Bowling is, in fact, the one true metaphor for life, given us by Humbaba that we may live in serenity.
Of course, it is also a great excuse to have a few beers.
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"I do desire that we may be better strangers." Willie the Shake, As You Like it(III,ii)