Calvin’s understanding of natural law (also known as the interior law) can be clearly appreciated in a series of passages of his Institutes, but especially in his Commentary to Romans 2:14-16. Verse 14 of this passage states that the Gentiles by nature do what is established in the law, and this makes their natural disposition serve as a law for them. Calvin uses this verse to offer his own definition of natural law, where he connects natural law with people’s natural disposition. Calvin argues the Gentiles must have some rule of righteousness, for there is no nation so lost to …