[685] Conv. II. xiv. 196-198.
[686] Cf. Ristoro, Comp. del Mondo, III. iii.
[687] Conv. II. xiv. 161-165.
[688] “The planet that strengthens the cold.” Canz. xv. 7.
[689] Purg. xix. 1-3.
[690] Conv. II. xiv. 78, 79.
[691] De Mon. III. iv. 140-142.
[692] See quotations from Albertus Magnus and Roger Bacon in Moore’s Studies, iii. p. 45, note.
[693] “Bestow light on the stars.” Canz. xix. 117.
[694] “The sun illumines first himself and then all celestial and elemental bodies with visible light.” Conv. III. xii. 54-56.