Romans 2:13-15

New Revised Standard Version, Anglicised Catholic Edition

¹³ For it is not the hearers of the law who are righteous in God’s sight, but the doers of the law who will be justified. ¹⁴ When Gentiles, who do not possess the law, do instinctively what the law requires, these, though not having the law, are a law to themselves. ¹⁵ They show that what the law requires is written on their hearts, to which their own conscience also bears witness; and their conflicting thoughts will accuse or perhaps excuse them