PL 100, col. 519D
Question 29. What is 'The Spirit of the Lord was borne over the waters'? — Answer: Not by wandering over them, but by power and a ruler's command, to form and quicken the formless matter which in this place is signified by the name of water.
Fresh draft (Claude), approved by Wilson Pruitt · cc-by
PL 100, col. 519D · pd
Augustine compressed to one sentence for the schoolroom. Note 'Spiritus Domini' (Old Latin) not 'Spiritus Dei' (Vulgate) — the Vetus Latina lingers in Alcuin's lemma.