The main point of part 2 (chapters 4–8) is that non-Christian ethics is incapable of providing a basis for moral decision. Nevertheless, we live in a world dominated by non-Christian views of ethics. This world is our situation, our ethical environment. So I considered part 2 in terms of the situational perspective, though we also discussed other perspectives in that connection. In this and the following chapters of part 3 of this treatise on ethics, I shall attempt