This lecture was given at the Catholic University of America on May 16, 2023 as part of the Thomistic Institute symposium titled "Toward a Fundamental Theology of the Priesthood." For more information on upcoming events, please visit our website at www.thomisticinstitute.org. About the speaker: Jennifer Frey is an associate Professor of Philosophy at the University of South Carolina and fellow of the Institute for Human Ecology at the Catholic University of America. Prior to joining the philosophy faculty at USC, she was a Collegiate Assistant Professor of Humanities at the University of Chicago, where she was a member of the Society of Fellows in the Liberal Arts. She has published widely on virtue and moral psychology and she has co-edited three volumes on Self-Transcendence and Virtue, Practical Wisdom, and Practical Truth. Her writing has been featured in Breaking Ground, Evangelization and Culture, First Things, Fare Forward, Image, Law and Liberty, The Point, and USA Today.