In A Secular Age, Charles Taylor, faced with contemporary challenges to belief, issues a call for "new and unprecedented itineraries" that might be capable of leading seekers to encounter God. In Spiritual Exercises for a Secular Age, Ryan G. Duns demonstrates that William Desmond's philosophy has the resources to offer a compelling response to Taylor. To show how, Duns makes use of the work of Pierre Hadot. In Hadot's view, the point...