 For Stevenson, a field of study is demarcated by the kinds of problems into which it inquires. Biology inquires into problems concerning life; history inquires into problems concerning past social events and cultural developments; etc. Ethics inquires into ethical problems, problems about what is good or bad, what ought to be done, how we ought to feel about something, etc. Ethical problems are ubiquitous. They are the “problems that are familiar in everyday discussions, and which range from idle bits of gossip about this or that man’s character to prolonged and serious discussions of international politics” (1963a, v). Stevenson conceives of his work as having “far less to say about the summum bonum of the philosophers than about the judgments of the ordinary” person as they finish “reading the morning’s newspaper” (1963a, v). He writes about his approach to the nature of moral problems as follows: