The Ethics

What does it mean to live an ethical life? For seventeenth-century philosopher Benedict de Spinoza, this question led to a doctrine in which God is present in all things and the human mind is part of God's infinite intellect. Spinoza regarded ethics as a rational system corresponding to the rational nature of the universe and employed a deductive method derived from Euclidean geometry to show that the validity of ethical ideas can be demonstrated by a mathematical style argument. His conclu...