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“Then we ought not to retaliate or render evil for evil to any one, whatever evil we may have suffered from him. But I would have you consider, Crito, whether you really mean what you are saying. For this opinion has never been held, and never will be held, by many people. Those who are agreed and those who are not agreed upon this point have no common ground and can only despise one another when they see how widely they differ.”
Who is Plato?