Indeed, when Gentiles, who do not have the law, do by nature what the law requires, they are a law to themselves, even though they do not have the law.
KJV
For when the Gentiles, which have not the law, do by nature the things contained in the law, these, having not the law, are a law unto themselves:
ASV
(for when Gentiles that have not the law do by nature the things of the law, these, not having the law, are the law unto themselves;
So they show that the work of the law is written on their hearts, their consciences also bearing witness, and their thoughts either accusing or defending them
KJV
Which shew the work of the law written in their hearts, their conscience also bearing witness, and [their] thoughts the mean while accusing or else excusing one another;)
ASV
in that they show the work of the law written in their hearts, their conscience bearing witness therewith, and their thoughts one with another accusing or else excusing them);