In this study of Robert Boyle's epistemology, Jan W. Wojcik reveals the theological context within which Boyle developed his views on reason's limits. After arguing that a correct interpretation of his views on "things above reason" depends upon reading his works in the context of theological controversies in seventeenth-century England, Professor Wojcik details exactly how Boyle's three specific categories of things that transcended reason – the incomprehensible, the inexplicable, and the unsociable – affected his conception of what a natural philosopher could hope to know. Also detailed is Boyle's belief that God deliberately limited the human intellect in order to reserve a full knowledge of both theology and natural philosophy for the afterlife. – Table of Contents: Introduction, Robert Boyle as lay theologian. – Part I: 1. Things above reason; 2. The threat of Socinianism; 3. Predestination; 4. Theology and the limits of reason. – Part II: 5. Philosophies of nature and their theological implications; 6. Sources of knowledge; 7. The limits of reason and knowledge of nature; 8. Boyle's voluntarism and the limits of reason. Conclusion.