The man who works 52 weeks in the year does not do his best in any one week of the year, Daniel Guggenheim, onetime head of the greatest smelting and mining family in America, impressed upon me. Real recreation quickens aspiration. The true purpose of recreation is not merely to amuse, not merely to afford pleasure, not merely to kill time, but to increase our fitness, enhance our usefulness, spur achievement.

Forbes (ed. 1989)