WNT(i)
17 And since you claim the name of Jew, and find rest and satisfaction in the Law, and make your boast in God,
18 and know the supreme will, and can test things that differ--being a man who receives instruction from the Law--
19 and have persuaded yourself that, as for you, you are a guide to the blind, a light to those who are in darkness,
20 a schoolmaster for the dull and ignorant, a teacher of the young, because in the Law you possess an outline of real knowledge and an outline of the truth: