When one advocates for good practices that are quite old and abandoned, these things that have been forgotten can seem new and radical. Peter Leithart returns to Mere Fidelity to discuss the vision and principles of the Theopolis Institute, especially as written in his new book, On Earth as in Heaven. The book is large but it reads well as a manifesto of how the church and the Bible are related in liturgy. Full show notes at www.merefidelity.com. Timestamps: Theopolis Principles [1:44] Bible and Church [8:01] Wanting More than Liturgical Renewal [20:52] Fundamentals [29:41] Competing Visions [32:09] Protestant Catholicity [40:59] Practical Steps [49:25]