I say, therefore, that God through the first of the natural laws positively wills, and consequently produces, the impact of bodies, and that He then makes use of this impact, which obliges Him to diversify His action due to the impenetrability Elucidations of the Search after .of bodies, as an occasion to establish the second natural law, which regulates the communication of motion, and that thus actual impact is the natural or occasion a/ cause of the actual communication of motion by which God without altering His ways produces an infinity of admirable works.