Book,  Paragraph

 1   I,  8 |            if a given movement is due to constraint, its contrary
 2   I,  8 |        are mutually contrary, are due to constraint? No, for a
 3   I,  8 |        towards the end if it were due to constraint or extrusion;
 4   I,  11|       actual, if its existence is due to a past process of becoming,
 5   I,  12|      alterable. Now alteration is due to contraries, and the things
 6  II,  5 |      precision, gratitude will be due to him for the discovery,
 7  II,  6 | admissible. Retardation is always due to incapacity, and incapacity
 8  II,  6 |          like, are all unnatural, due, it seems, to the fact that
 9  II,  8 |   movement was not their own, but due to the circles. If, on the
10  II,  8 |            and this appearance is due not to the sun itself but
11  II,  13|         its rest at the centre is due to constraint; but there
12 III,  2 |           movement must have been due either to constraint or
13 III,  2 |          since movement is always due either to nature or to constraint,
14 III,  2 |        unnatural movement will be due to the force alone. In either
15  IV,  2 |         to the increase of weight due to the increased number
16  IV,  3 |          But the movement is also due to the original creative
17  IV,  4 |           them the attributes are due to the difference of their
18  IV,  4 |  lightness to that of void. It is due to the properties of the
19  IV,  5 |          superiority of weight is due to superior size or number