The Theory of Moral Sentiments was not presented as a set of rules or instructions about how to behave or how to think. Rather, Smith speculated on the way in which people formed their ideas on these subjects. His idea that we should assess our thoughts and feelings as the impartial spectator would see them parallels the biblical advice to judge other people as we would judge ourselves. He cites the Decalogue (the Ten Commandments), but only in reference to honoring parents.
Smith did not make many references to overtly Christian writers; there are many more references to Greek and Roman authorities. A rare exception is a section dealing with the “casuistry” of such Roman Catholic authorities as Saint Thomas Aquinas. The tone is not very respectful: The practice of confession is associated with “superstition.” Smith’s illustration of rules of casuistry asks, Suppose a robber extracts from his victim a promise to pay him a large sum of money on his release. Is the victim morally bound to pay it?
Jesus’ name never appears, but Smith affirms that “to love our neighbor as we love ourselves is the great law of Christianity,” adding “so it is the great precept of nature to love ourselves only as we love our neighbor.” A rather inconclusive passage examines the impulses of benevolence in relation to the commandment to love God and one’s neighbor. A more sympathetic rendering of the same theme refers to Greek...
(The entire section is 567 words.)