In Epistolam D. Pauli Apostoli ad Galatas notae

believers in Macedonia and Achaia. For from you the word of the Lord has sounded forth not only in Macedonia and Achaia, but also your faith which is in God has spread in every place, so that we have no need to say anything. For they themselves report about us what manner of entrance we had to you, and how you were converted to God, having left idols, so that you might serve the living and true God, and await his Son from the heavens, whom he raised from the dead, Jesus, who delivers us from that coming wrath.

From these we see what the sum of the Gospel, or that joyful message which God had promised in the Scriptures, truly is: namely, that all the sins of the elect were laid upon Jesus Christ (who is the Son of the eternal Father, and according to the flesh, of the seed of David). Isaiah 53. By dying, he made satisfaction for them: by rising, he brought justice and life into the light, so that not even one sin of all the elect or believers remained. This justice is continued by him through his ascension into heaven, that sanctuary acheiropoieton not made by hands, and by appearing at the right hand of the Father for us. He also seals that promise of gratuitous justice on our hearts with the Holy Spirit, through whom he restores the elect to his own image, and from there that same Jesus is expected, who delivers us from that coming wrath. Here you see that the Gospel is nothing other than what is comprised in the articles of faith. Conversely, another Gospel is one contrary to the articles of faith, about which Christ warned us so that we might beware. Matthew 24. Then, if anyone says: Behold, here is Christ, or there: do not believe. For false Christs and false prophets will arise, and