This lecture was given on September 16, 2023, at the Thomistic Circles Conference at the Dominican House of Studies For more information on upcoming events, please visit our website at www.thomisticinstitute.org. About the speaker: Matthew Levering holds the James N. and Mary D. Perry Jr. Chair of Theology at Mundelein Seminary. He is the author or editor of over forty books on topics of dogmatic, sacramental, moral, historical, and biblical theology. He is the translator of Gilles Emery’s The Trinity. Most recently he has published Engaging the Doctrine of Creation, An Introduction to Vatican II as an Ongoing Theological Event, and Engaging the Doctrine of the Holy Spirit: Love and Gift in the Trinity and the Church. He coedits two quarterly journals, Nova et Vetera and International Journal of Systematic Theology. Since 2004, he has been a participant in Evangelicals and Catholics Together, and from 20072016 he served as Chair of the Board of the Academy of Catholic Theology. He co-founded the Chicago Theological Initiative and has directed the Center for Scriptural Exegesis, Philosophy, and Doctrine since 2011. He is a Distinguished Fellow of the St. Paul Center.