Note 270 — Chapter II · THE CONTRIBUTION OF WESTERN CHRISTENDOM BEFORE 1100 A. D.
Reading edition
Augustine, De civitate Dei, V, 6, in: Corpus script. eccles. lat., vol. xl, pt. 1, p. 218; Ambrose, Hexaemeron, IV, 7, 29–30, ibid., vol. xxxii, sect. 1, pt. 1, pp. 134–136.