Romans 2:18 KJV

And knowest his will, and approvest the things that are more excellent, being instructed out of the law;
Romans 2:18, King James Version

In context

17 Behold, thou art called a Jew, and restest in the law, and makest thy boast of God,

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 art a guide of the blind, a light of them which are in darkness,