sentences: Jerome says of him that he wrote, until a very ripe old age, a diversity of treatises composed in simple and ordinary language (mediocri sermone), and produced an excellent book (elegantem librum), "De Fide", which is said to be still extant The book "De Trinitate seu de Fide" (Rome, 1575), which was ascribed to Gregory Bæticus by Achilles Statius, its first editor, did not come from his pen, but was written in Spain at the end of the fourth century.On the other hand early historians of literature, e.g.