Only God makes sense of ethics
Ethics is also part of philosophy. The first Greek philosophers, like Thales, were mainly interested in the material composition of the world. But with Heraclitus, and especially with Plato and Aristotle, people tried to learn from philosophers how to live. Philosophers have typically offered one of three general theories of ethics, sometimes coordinating two of these theories (rarely three of them) together. Teleological Ethics In teleological ethics (a modern variant is utilitarianism), human behavior seeks to achieve a goal, a telos. The goal is usually (as in Aristotle) happiness. But then epistemological questions intervene. How can I know what state of mind is a worthy goal for me to pursue? Who is to say what pleasures are worth pursuing, and which should be deferred? What account should I take of other people, their pleasures, their happiness? What if it appears that I must sacrifice my own pleasure, even my life, for someone else? At best, teleological ethics take...