Romans 2:13-15

¹³For it is not the hearers of the law who are righteous before God, but the doers of the law will be justified

¹⁴(indeed, whenever the ethnic nations that do not have law do by nature the things of the law, these, although not having law, are a law to themselves;

¹⁵who show the work of the law written in their hearts, their conscience also bearing witness, and their reasonings among themselves accusing or even excusing)