Aristotle wondered whether there might be a single cosmological principle that not only gave unity to the whole of nature, but was the cause of its existence. He gave it a name: the Unmoved Mover.
He was the first philosopher to conceive of a comprehensive system of the arts and sciences, and he made original contributions to many of them: logic, semantics, politics, economics, ethics, aesthetics, literary criticism, meteorology, biology, psycholog … (read more)