Chapter

 1 Ded | philosophers but from the fabric of nature; and then because I do not
 2 Pref|        right ventricle? and why was nature reduced to the necessity
 3 Pref|         same conduit, I reply, that nature is not wont to construct
 4 Pref|             of a blood-vessel here. Nature had rather need of annular
 5 Pref|    everything is more lax and soft, nature saw herself reduced to the
 6 II  |       motion is plainly of the same nature as that of the muscles when
 7 IV  |            like a living thing; and nature in death, as Aristotle2
 8 V   |           observations of a similar nature, I am persuaded it will
 9 V   |            into the heart, and that nature never connected them with
10 VI  |             taken cognizance of the nature of a single field, should
11 VI  |             acts nor moves, so that nature was forced to make these
12 VI  |    precisely as in adults, and that nature feels no such necessity.
13 VI  |          they had not been present, nature uses the two ventricles
14 VI  |        these organs is in abeyance, nature effects by the direct passage
15 VI  |            it should be better (for nature always does that which is
16 VI  |       perfect animals of mature age nature has rather chosen to make
17 VII |            acidulous or vitriolated nature, or who simply swallow drinks
18 VII |        manner continually open, and nature had found no contrivance
19 VII |           their escape from it. For nature never intended to distress
20 VII |       creatures that have no lungs, nature, nevertheless, when she
21 VII |         purer and more spirituous a nature as coming immediately from
22 VIII|          and custom become a second nature. Doctrine once sown strikes
23 VIII|            of these conduits, - for nature doing nothing in vain, would
24 XI  |            anyone to understand the nature of the attraction that is
25 XIII|          that a violence is done to nature, I do not doubt but that,
26 XV  |              where the cherisher of nature, the original of the native
27 XVI |        assigned for them. Of such a nature are those that present themselves
28 XVI |           overcome and dissolved by nature.~When we perceive, further,
29 XVI |            consummate providence of nature? For were the chyle mingled
30 XVI |             mingled with the blood, nature has interposed the liver,
31 XVI |        admixture of contraries; and nature mingling together these
32 XVII|         them as being of a doubtful nature, so that sometimes they
33 XVII|             into the arteries.~Thus nature, ever perfect and divine,
34 XVII|             The first to be formed, nature willed that it should afterwards
35 XVII|            blood. Hence, as perfect nature does nothing in vain, and