1:4 myths. See 4:7; 2 Tim. 4:4. In Titus 1:14 Paul speaks of “Jewish myths,” perhaps referring to the kinds of legends about Old Testament figures that are found in many of the apocryphal Jewish writings.
endless genealogies. Perhaps a reference to an early form of the detailed speculations (often combined with Jewish myths) that developed in Gnosticism concerning the origins of the world and the innumerable spiritual beings supposedly involved in creation (cf. Titus 3:9).