Book, Paragraph

 1   I,  1 |       to attach to the animal owing to the presence within it
 2   I,  3 |  moved-either (a) indirectly, owing to something other than
 3   I,  3 |      itself, or (b) directly, owing to itself. Things are "indirectly
 4   I,  3 |       to him constitute soul, owing to their own ceaseless movements
 5   I,  3 |        is in movement, and so owing to their mutual implication
 6  II,  7 | visible in itself, but rather owing its visibility to the colour
 7  II,  8 |       bodies which are hollow owing to reflection repeat the
 8  II,  8 |      one continuous mass; but owing to its friability it emits
 9  II,  8 |      in it. Air in itself is, owing to its friability, quite
10  II,  8 |      the air chamber or even, owing to the spirals, into the
11  II,  9 |     drawn back in inhalation, owing to the dilating of the veins
12  II,  12|    answer that, while the air owing to the momentary duration