Tradition
Gennadius of Marseilles
Illustrious Men (Supplement to Jerome)
Chapter 96
Cerealis the bishop, an African by birth, was asked by Maximus bishop of the Arians whether he could establish the catholic faith by a few testimonies of Divine Scripture and without any controversial assertions. This he did in the name of the Lord, truth itself helping him, not with a few testimonies as Maximus had derisively asked, but proving by copious proof texts from both Old and New Testaments and published in a little book.
Source: Illustrious Men (Supplement to Jerome) (New Advent)