Book, Paragraph

 1   I, 7 | drives the other out of its natural condition. But (iii) since
 2   I, 8 |   not large ones. For it is natural enough, from the ordinary
 3  II, 1 |    the things which undergo natural change. Further, we have
 4  II, 1 |  and maintenance are due to natural processes all presuppose
 5  II, 5 |     a "matter" of which the natural bodies consist, as some
 6  II, 6 |  things which come-to-be by natural process all exhibit, in
 7  II, 6 |      and since (b) what is "natural" is contrary to that which
 8  II, 6 |    occurs; it follows that "natural movement" can also occur
 9  II, 6 |  for, on the contrary, the "natural movement" moves Earth downwards
10  II, 10|    as their causes; and the natural processes of passing-away
11  II, 10|    For the durations of the natural processes of passing-away