15. Of Christ alone without Sin. Christ in the truth of our nature was made like unto us in all things, sin only except, from which he was clearly void, both in his flesh, and in his spirit. He came to be the Lamb without spot, who, by sacrifice of himself once made, should take away the sins of the world; and sin (as Saint John saith) was not in him. But all we the rest, although baptized and horn again in Christ, yet offend in many things; and if we say we have no sin, we deceive ourselves, and the truth is not in us.
31. Of the one Oblation of Christ finished upon the Cross. The Offering of Christ once made is that perfect redemption, propitiation, and satisfaction, for all the sins of the whole world, both original and actual; and there is none other satisfaction for sin, but that alone. Wherefore the sacrifices of Masses, in the which it was commonly said, that the Priest did offer Christ for the quick and the dead, to have remission of pain or guilt, were blasphemous fables, and dangerous deceits