 Additionally, scholars do not believe that Didymus authored the work preserved as books 4 and 5 of Basil's "Against Eunomius".Within the Commentary on Zechariah, Didymus shows himself to be a thoroughly intertextual reader of scripture.He moves from the text he is commenting on to a wide variety of other passages, quoting less frequently from the historical books which do not suit his allegorical method.