Book,  Paragraph

 1   I,  1 |       like, then their parents ought to have come into being
 2   I,  18|        body, as they say, they ought not to claim that it comes
 3   I,  18|     the end of the act, but it ought, on the theory, to be in
 4  II,  2 |      on boiling, e.g. milk. It ought then to solidify on cooling,
 5  II,  2 | mixture of earth and water, it ought not to liquefy entirely
 6  II,  3 |    watery nature. Therefore we ought not to expect it always
 7  II,  4 |     that the homogeneous parts ought to come into being each
 8  II,  8 |      that unite in this manner ought to be barren. Empedocles
 9  II,  8 | offspring of stallion and mare ought also to be sterile. If one
10 III,  10|      from elsewhere, then bees ought to come into being also,
11 III,  10|     germs are left there? They ought to do so just as much, whether
12 III,  10|       animal, then that animal ought to be produced from them
13 III,  10|  instrument of offence, for we ought not to call that female
14 III,  11|         though there certainly ought to be some animal corresponding
15  IV,  1 |  difference of the parts, this ought to have been stated by those
16  IV,  1 |        of the other parts also ought to go with them, for one
17   V,  1 |     has acquired sensation, we ought to consider the original
18   V,  1 |      is called the pupil. This ought to be transparent, and it