Romans 2:18

καὶ γινώσκεις τὸ θέλημα, καὶ δοκιμάζεις τὰ διαφέροντα, κατηχούμενος ἐκ τοῦ νόμου,

kai ginōskeis to thelēma, kai dokimazeis ta diapheronta, katēchoymenos ek toy nomoy,

King James Version (KJV)

And knowest his will, and approvest the things that are more excellent, being instructed out of the law;

Modern English

if you know his will and approve of what is superior because you are instructed by the law;