sermons were preserved when those of most others were forgotten. From the Old Testament we have seventy-six sermons on Genesis, subdivided into two collections. The first consists of eight homilies on Genesis 1–3 with a ninth that ranges over the remaining chapters. The second collection covers the entire book, with much of the material from the first series repeated almost word for word. We also have fifty-eight sermons on selected psalms and a complete series on Isaiah that survives only in an