Fatigue is of many sorts, some of which are a much graver obstacle to happiness than others. Purely physical fatigue, provided it is not excessive, tends if anything to be a cause of happiness; it leads to sound sleep and a good appetite, and gives zest to the pleasures that are possible on holidays. But when it is excessive it becomes a very grave evil. Peasant women in all but the most advanced communities are old at thirty, worn out with excessive toil. Children in the early days of industrialism were stunted in their growth and frequently killed by overwork in early years. The same thing
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