In epistolam D. Pauli Apostoli ad Galatas notae

they will show great signs and miracles: so that they would seduce (if it were possible) even the elect. Behold, I have predicted it to you. Therefore if they say to you, Behold, he is in the desert, do not go out; Behold, he is in the inner rooms: do not believe. Since Christ says: Do not believe, therefore it is another Gospel, not the Gospel of Christ: not the Gospel which was preached through the Apostles. Today it is said by many: Behold, here is Christ corporally, Behold, there he is: Behold, the flesh of Christ is everywhere. How far this is from that which Paul says about his Gospel, That you might await His Son from the heavens, Jesus, who delivers us from that coming wrath. How far it is from the Gospel uttered by the very mouth of Christ, who says: Do not believe. And he adds the same reason which the Apostle learned from Him: For just as lightning goes forth from the East and appears even to the West: so also will be the coming of the Son of man. There is no reason for anyone to plead his own simplicity or ignorance here; you have been sufficiently warned by Christ; you cannot err if you insist upon the articles of faith. The Sacraments are not another Gospel, but are visible words, as Lord Augustine names them, which teach and confirm the same thing that the word of the Gospel does. For that which you hear in the Gospel—that Christ died for our sins, which had been imposed upon Him, and rose again for our justification, so that not even one remained, and that this righteousness is continued while in the same body in which He abolished our sins forever He appears at the right hand of the Father, and from there, having sent the Holy Spirit, He seals the promise of the remission of sins upon hearts, and restores them to the image of God—that