The point of controversy, in 1864, between Charles Kingsley and John Henry Newman is now only incidental to what it produced. Out of it came one of the most influential religious autobiographies of western literature, the Apologia Pro Vita Sua. It is far more than a vigorous defense of religious adherence; it is an affirmation of faith and conviction, a projection of magnetic and powerful personality and a dynamic account of spiritual conversion. Anton C. Pegis, the renowned Thomist scholar and distinguished Catholic philosopher, provides an illuminating and perceptive introduction for Cardinal Newman’s masterpiece.