Book, Paragraph

 1   I, 6  |      which they construct the world of nature.~Other objections
 2  II, 2  |     whether the earth and the world are spherical or not.~Now
 3 III, 5  |      have been present in our world here, alongside air and
 4 III, 6  |     body which is outside the world, whose essential nature
 5  IV, 1  |      of them.~(3) What in the world then are we to suppose place
 6  IV, 4  |    say that a thing is in the world, in the sense of in place,
 7  IV, 4  |    air, and the air is in the world; and when we say it is in
 8  IV, 4  |     is the place of the whole world.~(3) The matter, too, might
 9  IV, 8  |       is found nowhere in the world. For air is something, though
10 VIII, 1 |       the construction of the world and study the question of
11 VIII, 1 |   hold that there is only one world, whether everlasting or
12 VIII, 1 |       the constitution of the world is of necessity such that
13 VIII, 2 |       it can occur in a small world it could also occur in a
14 VIII, 2 |    and if it can occur in the world, it could also occur in
15 VIII, 3 | reason why some things in the world at one time are in motion
16 VIII, 3 |       that some things in the world are always motionless, others
17 VIII, 3 |  things but all things in the world are in motion and always
18 VIII, 6 |   said, there is to be in the world of things an unceasing and
19 VIII, 6 |       undying motion, and the world is to remain permanently
20 VIII, 10|      continuous motion in the world of things, that this is