Book, Paragraph

 1   V, 4 |       motion will be the same as rectilinear motion, and rolling the
 2 VIII, 8| locomotion is either rotatory or rectilinear or a compound of the two:
 3 VIII, 8|         locomotion of a thing is rectilinear and finite it is not continuous
 4 VIII, 8|          shows most clearly that rectilinear motion cannot be continuous
 5 VIII, 8|       turns back in traversing a rectilinear course must in so doing
 6 VIII, 8|     there cannot be a continuous rectilinear motion that is eternal.~
 7 VIII, 8|      place to its place, whereas rectilinear motion is motion from its
 8 VIII, 8|          limits, whereas that of rectilinear motion repeatedly is so.
 9 VIII, 9|    before, is either rotatory or rectilinear or a compound of the two:
10 VIII, 9|  rotatory locomotion is prior to rectilinear locomotion, because it is
11 VIII, 9|       straight line traversed in rectilinear motion cannot be infinite:
12 VIII, 9|      distance. On the other hand rectilinear motion on a finite straight
13 VIII, 9|       single and continuous, and rectilinear motion is not, is a reasonable
14 VIII, 9|          is a reasonable one. In rectilinear motion we have a definite
15 VIII, 9|      admits of being regular. In rectilinear locomotion the motion of