St. Augustine, De Trinitate, XII, 2 (PL 42:999).
St. Augustine, Confessiones, X, 25 (PL 32:794).
Aristotle, De memoria et reminiscentia, I (451a 17).
Q. 10, a. 1, reply.
Cicero, Brutus de oratore, I, 2, is the closest that could be found.
Aristotle, De anima, III, 4 (429a 27).
St. Augustine, De Trinitate, XIV, 11 (PL 42:1047).
Virgil, Aeneid, III, 628-29.
Aristotle, De anima, III, 6 (430a 30 seq.; 430b 14).
Cicero, Brutus de oratore, I, 2.
Aristotle, De memoria et reminiscentia, I (451a 17).
St. Augustine, De Trinitate, XIV, 6 (PL 42:1042), or XIV, 8 (PL 42:1044), or XIV, 10 (PL 42:1047).
Avicenna, De anima, V, 6 (26r).
Aristotle, De anima, III, 4 (429a 27).
E.g., Thomas himself, S.T., I-II, 67, 2; ibid., 50, 4; ibid., 53, 1; also, St. Albert, S.T., II, tr. 15, q. 77, m. 2 (BO 33:203) and II, tr. 16, q. 99, m. 3 (BO 33:241); and St. Bonaventure, In Sent., II, d. 39, a. 1, q. 2 (QR II:902-3). Cf. scholion by editors in QR II:904-5.
Eadmerus (Pseudo-Anselm), De similitudinibus, II (PL 159:605).
In the reply and the answer to the fifth objection of this article.
Aristotle, De anima, III, 7 (431a 14).
Ibid., III, 10 (433b 18); 11 (434a 16).