Published 2001
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I learned . . . that a man may use as simple a diet as the animals, and yet retain health and strength. I have made a satisfactory dinner off a dish of purslane (Portulaca oleracea) which I gathered in my corn field”, wrote Henry David Thoreau in Walden (1854), “yet men have come to such a pass that they frequently starve, not for want of necessaries, but for want of luxuries.”
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