The book "Treatise on the Truth of the Christian Religion" ("Traité de la Vérité de la Religion Chrétienne") by the famous Dutch lawyer and philosopher Hugo Grotius is one of the outstanding works of religious philosophy. In this book, the author examines the fundamental questions of the Christian faith, makes an attempt to rationally explain and justify Christianity as a religion. Grotius uses logic and argument, analyzes evidence, and relies on authorities to convince his readers of the truth and importance of Christian doctrine. This book is considered a masterpiece not only of Catholic apologetics, but also of Christian theology and philosophy in general.