Benedictus Spinoza (1632-77) was among the most important of the post-Cartesian philosophers of the second half of the seventeenth century. He made original contributions in every major area of philosophy. His work reflects the influences of Stoicism, Maimonides, Machiavelli, Hobbes, Descartes, and others. Spinoza is best known for his Ethics, which is often held up as a supreme example of a self-contained metaphysical system intended to explain...