103. What else can this mean—namely, that fire became water and water called forth fire—but that spiritual grace burns out our sins through fire, and through water cleanses them? For sin is washed away and it is burnt away. Wherefore the Apostle says: “The fire shall try every man’s work of what sort it is.” And further on: “If any man’s work shall be burned, he shall suffer loss: but he himself shall be saved; yet so as by fire.”