Probabilities: An Aid to Faith by Martin Farquhar Tupper is a thoughtful work of Victorian religious philosophy that seeks to reconcile reason with Christian belief. Addressing skepticism and intellectual doubt, Tupper argues that probability-rather than absolute proof-forms the practical foundation of human judgment in both daily life and matters of faith. Through logical reflection and accessible prose, he explores moral evidence, divine design, revelation, and the limits of human understanding. Positioned within the 19th-century tradition of Christian apologetics, this volume offers a reasoned defense of belief grounded in rational inquiry and common-sense philosophy. A valuable text for readers interested in theology, philosophy of religion, and historical debates on faith and reason, Probabilities: An Aid to Faith remains an insightful contribution to religious thought.