This document discusses the philosophical background of business ethics. It describes several philosophical schools of thought regarding ethics, including Greek/Roman ethics focusing on virtue, knowledge and moderation; Christian ethics based on loving God and others; Utilitarianism aiming to maximize pleasure for the most people; and Pragmatism viewing morality as resolving conflicts of desires. The document also discusses other approaches like Naturalism, Rationalism, Humanism and Hedonism. It notes that Confucius believed righteousness starts with self-governance by individuals. In the end, it poses debate questions about which ethical philosophy one would support or oppose, including justifications.