Cassiodorus is the author of this definition. See above, q. 12, a. 1, n. 3.
St. Jerome, quoted in Glossa ordinaria, super Matt. 1:22 (V:9r).
Averroes, In Metaph., VII, comm. 28 (VIII:178G); VIII, comm. 31 (VIII:180H).
St. Gregory, In Ezech., I, 1 (PL 76:788).
Moses Maimonides, The Guide for the Perplexed, II, 33 (FR 222).
Aristotle, Physica, II, 9 (200a 31 ff.).
St. Augustine, De genesi ad litteram, II, 9 (PL 34:270).
Glossa interlinearis, super Joan. 16:13 (V:232v).
See n. 1 (above).
St. Gregory, In Ezech., I, 1 (PL 76:786).