Note 583 — Lecture IX. GREEK AND CHRISTIAN THEOLOGY. III. God as the Supreme Being.
Reading edition
Cf. Quintilian, who ascribes it in turn to Plautus and to Sergius Flavius, 2. 14. 2; 3. 6. 23; 8. 3. 33: Seneca, Ep. 58. 6, to Cicero, and more recently Fabianus. For substantia, cf. Quint. 7. 2. 5, “nam et substantia ejus sub oculos cadit.”