Passions not caused by soul, ii. 3.16 (52-[1184]).
Passions of strayed souls are loves contrary to nature, iii. 5.7 (50-[1135]).
Passions of universe produced by body of stars, ii. 3.10 (52-[1177]).
Passions reduced external images, iii. 6.5 (26-[358]).
Passions, Stoic theory of, opposed, iii. 6.3 (26-[355])
Passions, their avoidance, task of philosophy, iii. 6.5 (26-[358]).
Passions, what suitable to earth, iv. 4.22 (28-[471]).
Passive, really, is soul, when swayed by appetites, iii. 1.9 (3-[98]).
Path of simplification to unity, vi. 9.3 (9-[152]).
Path to ecstasy, land marks, i. 6.9 (1-[54])