Summary of Chapter 1
Chapter 1 explores the term light of nature, primarily as it appears in the Westminster Confession (five times: 1.1, 1.6, 10.4, 20.4, 21.1). In seeking to understand what the Westminster divines meant by the term, Dr. Fesko proposes to focus attention on the lectures of Anthony Burgess, one of the divines, due to the “structural similarities” between Burgess’s work and the Confession itself. As he explains:
Hence, an examination of Burgess’s lectures on the law provides a primary-source explanation of what the Westminster divines intend by the term light of nature. Through the use of Burgess’s lectures, this chapter demonstrates that the light of nature denotes three things: (1) natural law, (2) human reason, and (3) God’s natural revelation in creation. In short, the light of nature denotes the book or order of nature written and designed by God — an important tool in defending the Christian faith, a tool forgotten by many in contemporary Reformed theology but regularly used by early modern Reformed theologians. In contrast to some recent analyses of the first chapter of the Confession, Burgess gives a full-throated defense of the light of nature as natural law and human reason. (p. 13)
The chapter consists of two main sections: one on natural law, the other on human reason.
Burgess argues that the law of nature “consists in those common notions which are ingrafted into all men’s hearts.” Fesko observes that the common notions include “belief in the existence of God and a general knowledge of the difference between good and evil.” (p. 15) He further notes that Burgess appeals to Aquinas’s treatment of natural law to confirm his argument that these “common notions do not require proof because they are self-evident.” (p. 15)
In considering “the precise boundaries of the law of nature,” Burgess assesses various options and concludes that the law of nature coincides with “the moral law delivered by Moses at Sinai.” (p. 16) Fesko contends that this position was fairly typical among early Reformed theologians. According to this mainstream view, the light of nature includes “common knowledge among believer and unbeliever that binds them to the same moral standards but leaves the unbeliever far short of true faith and saving knowledge.” (p. 18)
In his defense of natural law, Burgess appealed not only to Scripture (e.g., the moral wisdom of Moses’s pagan father-in-law) but also to several pagan philosophers (Plato, Aristotle, and Seneca) who manifested a partial knowledge of moral norms and even of the existence of God.