BOOK FIRST.

mistaken, will be the most difficult part of my task, and will be worthy of the loftiest argument; for we must then enter the lists with the philosophers, not the mere common herd of philosophers, but the most renowned, who in many points agree with ourselves, as regarding the immortality of the soul, and that the true God created the world, and by His providence rules all He has created. But as they differ from us on other points, we must not shrink from the task of exposing their errors, that, having refuted the gainsaying of the wicked with such ability as God may vouchsafe, we may assert the city of God, and true piety, and the worship of God, to which alone the promise of true and everlasting felicity is attached. Here, then, let us conclude, that we may enter on these subjects in a fresh book.