The formative stage of a canonical collection of Paul's writings had already taken place.
At an even earlier date other Christians had made collections of Jesus' sayings and stories about him.
He divided books into three categories: "acknowledged," "disputed," and "rejected" writings. We know, for instance, that Irenaeus, bishop of Lyon in Gaul (France), in works produced about 185 C.
"This is a reference to Paul's first letter to the Corinthians.The authors of those gospels rearranged the collections of sayings and stories to form continuous stories. a considerable assortment of writings were known to the churches: narrative gospels (Matthew, Mark, Luke, John), at least one sayings gospel (the ), dialogues and revelations attributed to Jesus, various accounts of his birth, several accounts of acts of the apostles, homilies, and more. Within a century of Jesus' death, then, Christians had produced a small but quite diverse library of writings.Like the letters of Paul, these gospels, along with other writings, were collected by various churches. However, as yet there was no proposal to create an official list, a canon.As a result, he expunged such references from the versions he included in his proposed New Testament.Marcion took Paul as his guide to the correct Christian view of these matters.