Something that I find partly appealing in Calvinism is - and I am not sure how to put this - a naturalistic, demystifying, skeptical, materialistic use of reasoning to judge religious claims. This is not to deny the centrality of the Bible as a religious text in Calvinism, but to note this use of naturalistic reasoning in judging religion, including the Bible's meaning. My question here is whether Reformed writers have laid out the premises or justifications for the skeptical, naturalistic aspect of their reasoning? Please allow me to explain. I. Reason plays a major role in Calvin's thinking and approach. Jung S. Rhee writes in John Calvin's Understanding of Human Reason in His Institutes:: II. The "natural order" was a major concept to Calvin. John Hesselink writes in Calvin's Concept of the Law: Peter Wyatt writes in Jesus Christ and Creation in the Theology of John Calvin: III. In many cases, Calvin uses a skeptical sense of naturalism in employing reason. One example is how Calvin judged the verse in 1 Cor 10 wherein Paul writes that Christ was a spiritual rock that followed the Israelites. Calvin concluded that since rocks don't follow people, the word "rock" must mean "stream of water". He disagreed with the Lutheran and Eastern Orthodox reading that "spiritual rock" was a name for Christ himself actually directly accompanying the Israelites. He wrote in his commentary: From a materialistic, naturalistic standpoint, I find his reasoning appealing. In nature, rocks don't follow people, so it is easier to think of a stream of water following people. On the other hand, if I put myself in a supernatural mindset and see Paul as talking about a rock that looked like a normal rock, I don't see any purely logical obstacle to thinking that there was an actual material rock following the Israelites. So it seems that he is using a naturalistic method. In a second example, when Calvin considered whether exorcists of his day were able to cast out demons and could show any proofs or specimens to prove their work, he wrote: As a matter of materialism, I sympathize with him. Demons and demonic possession can be hard to prove or show in the realm of natural observation. On the other hand, it seems to me that were I to put myself in a supernatural mindset and accept the role of such beings in human affairs, then I wouldn't reject across the board that Christian exorcists occasionally succeeded in their work in the last 15 centuries or so.