Immovability of Intelligence necessary to make it act as horizon, v. 5.7 (32-[586]).

Impassible, and punishable, soul is both, i. 1.12 (53-[1204]).

Impassible are world soul and stars, iv. 4.42 (28-[506]).

Impassible as the soul is, everything contrary is figurative, iii. 6.1 (26-[351]).

Impassible, how can the soul remain, though given up to emotion, iii. 6.1 (26-[351]).

Impassibility of incorporeal entities, iii. 6.1 (26-[351]).

Impassibility of matter depends on different senses of participation, iii. 6.9 (26-[366]).

Impassibility of the soul, iii. 6.1 (26-[350]).

Imperfection, cause of distance from the Supreme, iii. 3.3 (48-[1080]).

Imperfections are only lower forms of perfections, vi. 7.10 (38-[716]).