and you have known his will, and you demonstrate the more useful things, having been instructed by the law
Other versions
King James Version
And knowest his will, and approvest the things that are more excellent, being instructed out of the law; English Standard Version
and know his will and approve what is excellent, because you are instructed from the law;New International Version
if you know his will and approve of what is superior because you are instructed by the law;