Related to this general knowledge of God in creation was the natural law. In a way similar to many of his theological predecessors, Calvin wrote about God’s law written on the heart and turned especially to Romans 2 to demonstrate it. In his commentary on Romans 2:14–15, he speaks of a natural “implanting” (ingenitas) and “imprinting” (inscriptum) of the law of God on the human heart.106 Likewise, in the Institutes he returns to this theme repeatedly. The knowledge of God, the sense of Deity, that