Romans 2:17-19

But if you bear the name “Jew” and rely on the Law [for your salvation] and boast in [your special relationship to] God, and [if you claim to] know His will and approve the things that are essential or have a sense of what is excellent, based on your instruction from the Law, and [if you] are confident that you are a [qualified] guide to the blind [those untaught in theology], a light to those who are in darkness