Book,  Paragraph

 1   I,  18|   nature that from it as their origin come into being those things
 2  II,  3 |        is fire nor derives its origin from fire.~Let us return
 3  II,  4 |      is the first principle or origin of both homogeneous and
 4  II,  4 |        called its principle or origin. For the animal grows, and
 5  II,  4 |      heart is the principle or origin of these also. (This is
 6  II,  6 |      into two classes, (1) the origin of the movement, (2) that
 7  II,  8 |     may happen to any pig. The origin of human dwarfs is similar,
 8 III,  11|        with blood in it as the origin of the parts; and the so-called "
 9 III,  11| suppose, in connexion with the origin of men and quadrupeds, that,
10  IV,  1 |        must speak first of the origin of the sexes in the latter.
11  IV,  1 |     goes, for he seeks for the origin of this difference and tries
12  IV,  1 | Empedocles; for to explain the origin of male and female is practically
13  IV,  1 |       collect the cause of the origin of these parts, as if it
14  IV,  3 |       accidentally. As for the origin of it, we must look at it
15   V,  7 |   blood-vessel which takes its origin in the heart near the organ