Book,  Paragraph

 1   I,  3 |          why the number of what we call simple bodies cannot be
 2   I,  7 |          patient in an equal time, call the quantity thus modified
 3   I,  9 |             In one sense, then, we call "heaven" the substance of
 4   I,  9 | circumference, since we habitually call the whole or totality "the
 5  II,  13|   disturbed about the world, or to call in a guard for its centre:
 6  II,  14|      spherical. And it is right to call anything that which nature
 7 III,  1 | indestructible. Now things that we call natural are either substances
 8 III,  8 |         circular movement which we call rolling. Earth, again, they
 9 III,  8 |        rolling. Earth, again, they call a cube because it is stable
10  IV,  1 |       theory of movement, since we call things heavy and light because
11  IV,  1 |          is away from the centre I call upward movement and that
12  IV,  1 |         that which is towards it I call downward movement. (The
13  IV,  1 |   extremity of the whole, which we call "above", is in position