Romans 2:14-18

For when Gentiles who do not have the Law instinctively perform the requirements of the Law, these, though not having the Law, are a law to themselves,

in that they show the work of the Law written in their hearts, their conscience testifying and their thoughts alternately accusing or else defending them,

on the day when, according to my gospel, God will judge the secrets of mankind through Christ Jesus. The Jews under the Law

But if you call yourself a Jew and rely upon the Law and boast in God,

and know His will and distinguish the things that matter, being instructed from the Law,