Passionate Mind: Essays in Honor of John M. Rist pays tribute to the academic work of a prolific and distinguished scholar in Classics and Philosophy who, after graduating from Trinity College, Cambridge University in 1959, began his professional career immediately thereafter at the University of Toronto (appointed as Professor Emeritus in 1997) and, before finishing his career in 2017, held appointments at the University of Aberdeen, Cambridge University, Hebrew University of Jerusalem, Institutum Patristicum Augustinianum in Rome, and the Catholic University of America. This book, containing entries from an international team of scholars who are Professor Rist’s friends and/or former colleagues (including many senior scholars) and students, celebrates his academic work with freshly written, insightful and, in some instances, ground-breaking essays representing three of the fields in which he has made significant and enduring contributions. Therefore, after an introduction featuring Professor Rist’s perceptive and entertaining Passionate Mind: Essays in Honor of John M. Rist pays tribute to the academic work of a prolific and distinguished scholar in Classics and Philosophy who, after graduating from Trinity College, Cambridge University in 1959, began his professional career immediately thereafter at the University of Toronto (appointed as Professor Emeritus in 1997) and, before finishing his career in 2017, held appointments at the University of Aberdeen, Cambridge University, Hebrew University of Jerusalem, Institutum Patristicum Augustinianum in Rome, and the Catholic University of America. This book, containing entries from an international team of scholars who are Professor Rist’s friends and/or former colleagues (including many senior scholars) and students, celebrates his academic work with freshly written, insightful and, in some instances, ground-breaking essays representing three of the fields in which he has made significant and enduring contributions. Therefore, after an introduction featuring Professor Rist’s perceptive and entertaining retrospective on his service to academia, the book includes sections on Ancient Philosophy, Bible and Patristics, and Ethics. While the essays in the Ancient section consider topics in Plato, Aristotle, Marcus Aurelius, and Plotinus, those in the Bible and Patristics segment study subjects found especially in the works of Gregory of Nyssa and Augustine of Hippo. Lastly, the Ethics section includes essays analyzing areas in Aristotle’s Nicomachean Ethics and the relationship between Rist’s and MacIntryre’s approaches to ethics. Following in Professor Rist’s footsteps, the essays in this volume are insightful, provocative, and promise to make contributions in their fields. retrospective on his service to academia, the book includes sections on Ancient Philosophy, Bible and Patristics, and Ethics. While the essays in the Ancient section consider topics in Plato, Aristotle, Marcus Aurelius, and Plotinus, those in the Bible and Patristics segment study subjects found especially in the works of Gregory of Nyssa and Augustine of Hippo. Lastly, the Ethics section includes essays analyzing areas in Aristotle’s Nicomachean Ethics and the relationship between Rist’s and MacIntryre’s approaches to ethics. Following in Professor Rist’s footsteps, the essays in this volume are insightful, provocative, and promise to make contributions in their fields.