Romans 2:17-20

17Now you, if you call yourself a Jew; if you rely on the law and boast in God; 18if you know His will and approve of what is superior because you are instructed by the law; 19if you are convinced that you are a guide for the blind, a light for those in darkness, 20an instructor of the foolish, a teacher of infants, because you have in the law the embodiment of knowledge and truth—