Book, Paragraph

 1  II, 7 |       this cause also. We must explain the "why" in all the senses
 2  II, 8 |                      8~We must explain then (1) that Nature belongs
 3 III, 5 |        immovable), yet we must explain why it is not its nature
 4 III, 7 |      the moment. Later I shall explain what each of them means,
 5  IV, 8 |                       8~Let us explain again that there is no void
 6  IV, 9 |     void.~Again, how will they explain, in the case of what is
 7   V, 2 |      remarks are sufficient to explain the essential nature of
 8 VIII, 1|   assert the fact: he ought to explain the cause of it: i.e. he
 9 VIII, 1| separate. If he is to go on to explain this alternate predominance,
10 VIII, 1|     some argument is needed to explain why the predominance of
11 VIII, 1|        reduces the causes that explain nature to the fact that
12 VIII, 1|       for a first principle to explain this "always": so, while
13 VIII, 6|   clear to all: but we wish to explain also the nature of each