The philosophy of Aristotle dominated Western thought for over a thousand years. He had a mind that mastered all disciplines from mathematics to politics and had a continuing impact on every sphere of knowledge he touched. Above all, Aristotle is credited with the founding of logic. He divided human knowledge into separate categories, and enabled our understanding of the world to develop in a systematic fashion.
Philosophy for busy people: a succinct account of the philosophy of Aristotle in just one hour.