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1 6 |     original cause of all the said movements arranged in a
2 7 |     plain, too, from what was said above why they are like
3 9 |      the movement, as we have said before. Flat fish use two
4 10|   about birds. How, it may be said, can they, either when they
5 10|     fly or when they walk, be said to move at four points?
6 10| Everything indeed, as we have said, makes a change of place
7 12|      never purposeless, as we said above, but everything for
8 14|     moving in the way we have said they cannot possibly experience