[18] And knowest his will, and approvest the things that are more excellent, being instructed out of the law; [19] And art confident that thou thyself a guide of the blind, a light of them which are in darkness, [20] An instructor of the foolish, a teacher of babes, which hast the form of knowledge and of the truth in the law. [21] Thou therefore which teachest another, teachest thou not thyself? thou that preachest not steal,