Book,  Paragraph

 1   I,  7 |       constrained, in either case the force which causes its motion
 2   I,  7 |             be infinite. For infinite force is force of an infinite
 3   I,  7 |       infinite. For infinite force is force of an infinite body, and
 4   I,  7 |               of an infinite body the force is infinite. So the motive
 5  II,  6 |              not always with the same force, or if the moved were altered
 6  II,  9 |              that of thunder, and the force of its action must be immense.
 7  II,  9 |             of the effects of violent force, is easily given: it is
 8  II,  12|               it were, added. But the force of any limited body is only
 9  II,  14|              then, it would require a force greater than itself to move
10 III,  2 |       infinitely. For there will be a force which moves it, and the
11 III,  2 |              the further will a given force move it. Now let A, the
12 III,  2 |             the thing itself, while a force is a source of movement
13 III,  2 |            accelerated by an external force, while an unnatural movement
14 III,  2 |           movement will be due to the force alone. In either case the
15 III,  2 |              were instrumental to the force. For air is both light and
16 III,  2 |              and set in motion by the force, and qua heavy produces
17 III,  2 |            motion. In either case the force transmits the movement to
18  IV,  3 |              to the original creative force and to that which removes
19  IV,  6 | considerations apply with far greater force to air, since it is so much
20  IV,  6 |            there are two factors, the force responsible for the downward
21  IV,  6 |              the disruption-resisting force of the continuous surface,
22  IV,  6 |              For in proportion as the force applied by the heavy thing
23  IV,  6 |        continuum, the quicker will it force its way down; only if the
24  IV,  6 |             its way down; only if the force of the heavy thing is the