Romans 2:18-20

Common English Bible

¹⁸ if you know the will of God;
if you are taught by the Law so that you can figure out the things that really matter;
¹⁹ if you have persuaded yourself that you are:
        a guide for the blind;
        a light to those who are in darkness;
²⁰         an educator of the foolish;
        a teacher of infants (since you have the full content of knowledge and truth in the Law);