Book,  Paragraph

 1   I,  8 |  cannot be limited to this portion or that but must extend
 2   I,  8 |    another world, then the portion which is taken hence will
 3   I,  8 |  to them, since in form no portion differs from another. The
 4  II,  13|  rather each corresponding portion of fire to the corresponding
 5  II,  14|    itself. If it were, any portion of it would have this movement;
 6  II,  14|  it is impossible that any portion of earth should move away
 7  II,  14| movement to it. If then no portion of earth can move away from
 8  II,  14|    be spherical. For every portion of earth has weight until
 9  IV,  2 |   it moves upward, and any portion of air without exception
10  IV,  4 | lighter than earth-for any portion of either rises to the surface
11  IV,  4 | heavier than fire, since a portion of either, whatever its
12  IV,  5 |  however, manifest that no portion of air whatever moves downward.