Matter, since cannot be destroyed, cannot be affected, iii. 6.8 (26-365). Matter things mingled, contain no perfection, iii. 2.7 (47-1053). Matter's generation, consequence of anterior principles, iv. 8.6 (6-130). Matter's primitive impotence before generation, iv. 8.6 (6-130). Mechanism of ecstasy, v. 8.11 (31-569). Medicine, v. 9.11 (5-114). Mediocre, evil men even, never abandoned by Providence, iii. 2.9 (47-1058). Mediation of soul between indivisible and divisible essence, iv. 2 (21-276). Mediation of world-souls, through it, benefits are granted to men, vi. 4.12, 30 (28-457, 486). Medium cosmologically necessary, but affects sight only slightly, iv. 5.2 (29-517). Medium needed in Platonism, Aristotelianism, Stoicism, iv. 5.2 (29-516). Medium not needed in Atomism and Epicurianism, iv. 5.2 (29-516). Medium of sight, Aristotle's unnecessary iv. 5.1 (29-515). Medium, though possible, hinders organs of sight, iv. 5.1 (29-514). Medium, untroubled, is the world-soul, iv. 8.7 (6-130). Medium's absence would only destroy sympathy, iv. 5.3 (29-519). Medium's affection does not interfere with vision, iv. 5.3 (29-520). Memories not needed, unconscious prayer answered by Stars, iv. 4.42 (28-505). Memories of the past do not increase happiness, i. 5.9 (36-689). Memory, iv. (27-428). Memory and reasoning, not implied by world-soul's wisdom, iv. 4.12 (28-457). Memory and reasoning suspended by omniscient intuition, iv. 4.12 (28-457). Memory and sensation iv. 6 (41-829). Memory and sensation, Stoic doctrines of, hang together, iv. 6.1 (41-829). Memory acts through the sympathy of the soul's highest self, iv. 6.3 (41-832). Memory, actualization of the soul, iv. 3.25 (27-429). Memory belongs to divine soul, and to that derived from world-soul, iv. 3.27 (27-433). Memory belongs to imagination, iv. 3.29 (27-433). Memory belongs to the soul alone, iv. 3.26 (27-432). Memory, both kinds, implies both kinds of imagination, iv. 3.31 (27-438). Memory definition depends on whether it is animal or human, iv. 3.25 (27-429). Memory does not belong to appetite, iv. 3.28 (27-434). Memory does not belong to the power of perception, iv. 3.29 (27-435). Memory does not belongs to the stars, iv. 4.30 (28-441). Memory impossible to world-souls to whom there is no time but a single day, iv. 4.7 (28-450). Memory inapplicable to any but time limited beings, iv. 3.25 (27-428). Memory is not identical with feeling or reasoning, iv. 3.29 (27-436). Memory limited to souls that change their condition, iv. 4.6 (28-448). Memory may be reduced to sensation, iv. 3.28 (27-434). Memory needs training and education, iv. 6.3 (41-835). Memory, none in stars, because uniformly blissful, iv. 4.8 (28-452). Memory not an image but a reawakening of a faculty, iv. 6.3 (41-833).