Romans 2:14
(for when Gentiles who don’t have the law do by nature the things of the law, these, not having the law, are a law to themselves,
World English Bible (Public Domain)
In context
Before · Romans 2:12–13
12For as many as have sinned without the law will also perish without the law. As many as have sinned under the law will be judged by the law. 13For it isn’t the hearers of the law who are righteous before God, but the doers of the law will be justified
14(for when Gentiles who don’t have the law do by nature the things of the law, these, not having the law, are a law to themselves,