On the Profit of Believing

Moreover now at Hippo-Regius as Presbyter I wrote a book on the Profit of Believing, to a friend of mine who had been taken in by the Manichees, and whom I knew to be still held in that error, and to deride the Catholic school of Faith, in that men were bid believe, but not taught what was truth by a most certain method. This book begins thus, “Si mihi Honorate, unum atque idem videretur esse.” St. Augustin enumerates his book on the Profit of Believing first amongst those he wrote as Presb...