Romans 2:17-20

17But if thou bearest the name of a Jew, and restest upon the law, and gloriest in God, 18and knowest his will, and approvest the things that are excellent, being instructed out of the law, 19and art confident that thou thyself art a guide of the blind, a light of them that are in darkness, 20a corrector of the foolish, a teacher of babes, having in the law the form of knowledge and of the truth;