There are few sayings attributed to Jesus that are better attested than disapproval of divorce. It appears in all three Synoptic Gospels in slightly different forms, and in a letter of Paul, the earliest witness. The basic principle is stated, but in two cases, some kind of exception is included (porneia, Matt 5:32; 19:9; disparity of belief, 1 Cor 7:10–16). Three principles shoul…