... times. The elements are crowded full of beneficent forces—always have been—and ours is the first generation to turn them to account and make them work for us. Why Hawkins, everything is useful—nothing ought ever to be wasted. Now look at sewer gas, for instance. Sewer gas has always been wasted, heretofore; nobody tried to save up sewer-gas—you can't name me a man. Ain't that so? you know perfectly ... — Innocents abroad • Mark Twain
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