Eventually, Aristotle appeared among the Greeks. He improved the methods of logic and systematized its problems and details. He assigned to logic its proper place as the first philosophical discipline and the introduction to philosophy. Therefore he is called the First Teacher.
Ibn KhaldunRelated topics
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The confused mass of rules of conduct called law, which has been bequeathed to us by slavery, serfdom, feudalism, and royalty, has taken the place of those stone monsters, before whom human victims used to be immolated, and whom slavish savages dared not even touch lest they should be slain by the thunderbolts of heaven.
Peter Kropotkin