Most people, when they are left free to fill their own time according to their choice are at a loss to think of anything sufficiently pleasant to be worth doing. And whatever they decide on, they are troubled by the feeling that something else would have been pleasanter. The ability to fill leisure intelligently is the last product of civilization, and at present very few people have reached this level.

Bertrand Russell (1872-1970) English mathematician and philosopher

Conquest of Happiness, Part 2, ch. 14 “Work” (1930)
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