Richard of St. Victor, De Trinitate, I, 1, 4 (PL 196:892).
St. John Damascene, De fide orthodoxa, I, 1 (PG 94:790); 3 (PG 94:794).
Pseudo-Dionysius, De divinis nominibus, I (PG 3:587).
St. Gregory, In Evang., II, 26 (PL 76:1197).
St. Augustine, Epist. CXLVII, ad Paulinam, 2 (PL 33:599).
Ibid.
See n. 1 (above).