WNT(i)
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:
21 you then who teach your fellow man, do you refuse to teach yourself? You who cry out against stealing, are you yourself a thief?