Shared ground

Paul uses an “insider” cultural witness (“one of them, a prophet of their own”) to describe a setting where deceit and undisciplined living are treated as normal (v.12). He then endorses the basic diagnosis (“This testimony is true,” v.13) and links it to a leadership response: Titus is to correct “them” firmly, aiming at restored health in belief and life (“sound in the faith,” v.13). The passage also identifies specific distractions that undermine that health: “Jewish fables” and merely human “commandments” promoted by people “turning away from the truth” (v.14).

Where interpretation differs

Who are “them”? Some read “them” as broadly referring to Cretans in general, since the quotation targets “Cretans.” Others read “them” more narrowly as the disruptive people already in view (rebellious talkers who unsettle households in 1:10–11), with the quotation describing the cultural air those teachers exploit.

How wide is “This testimony is true”? Some take Paul to affirm the proverb as generally reliable about Cretan society (a “true enough” stereotype for his purpose). Others think he affirms it only in the limited sense that it accurately describes the particular troublemakers Titus is dealing with, not Cretans as a whole.

What counts as “commandments of men”? Some see this as a warning against adding extra rules that claim religious authority but are not grounded in the truth Paul is teaching. Others emphasize that Paul is not rejecting all instruction or discipline, only rules tied to people “turning away from the truth” (v.14) and competing with trustworthy teaching.

Why the disagreement exists The paragraph moves quickly from a broad-sounding cultural quote (v.12) to a targeted pastoral action (v.13–14). Because “them” is not redefined in the immediate lines, readers decide whether the pronouns follow the quote’s broad target (“Cretans”) or the letter’s immediate problem group (1:10–11). Similarly, “This testimony is true” can be heard as affirming the proverb’s general accuracy or as confirming its usefulness for diagnosing the current situation.

What this passage clearly contributes It shows a leadership approach that treats distorted teaching and distorted conduct as connected problems: firm correction is aimed at producing “soundness” in faith (v.13) and at turning attention away from speculative identity-stories (“Jewish fables”) and humanly-made rules that rival the truth (v.14). The passage also illustrates how early Christian leaders could cite cultural commentary as evidence, while still making reform—not insult—the stated goal (v.13).