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And over and above all else we must keep at hand and in our minds the saying of Simonides,Cf.Moralia, 10 f, 125 d; 505 f, supra. that he had often repented of speaking, but never of holding his tongue. We must remember also that practice is master of all things and stronger than anything else; since people can even get rid of hiccoughs and coughs by resisting them resolutely and with much pain and trouble. But silence, as HippocratesCf.Moralia, 90 c-d. says, not only prevents thirst, but also never causes sorrow and suffering.