Pythagoras

Begin thus from the first act, and proceed; and, in conclusion, at the ill which thou hast done, be troubled, and rejoice for the good.
Begin thus from the first act, and proceed; and, in conclusion, at the ill which thou hast done, be troubled, and rejoice for the good.
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These are some quotes by Greek author Pythagoras Mathematician, who lived between 582 BC and 497 BC.