An argument from natural reason: what preservation needs, first production needs still more
To these scriptural testimonies they add an argument from natural reason, which runs as follows. No created substance can continue to exist unless God keeps it in being by his immediate influence. Much more, then, do the motions and actions of substances need such influence, for how could accidents depend less on God for their preservation than substances do?
Moreover, whatever a thing needs in order to be kept in being, it needs all the more in order to be produced in the first place. It follows that secondary causes can produce nothing whatever unless an actual and immediate influence of the first cause is present at the same time.
Latin
VIII. Illis vero Scripturae sacrae testimoniis addunt etiam argumentum a ratione naturali petitum, sic enim ratiocinantur. Nullae substantiae creatae in rerum natura permanere possunt, nisi Deus illas immediate influxu suo conservet; multo magis ergo simili influxu egent substantiarum motus & actiones: quomodo enim verum esse posset accidentia minus a Deo pendere ad sui conservationem quam ipsas substantias? Cum vero id quod ad conservationem rei est necessarium, majori cum ratione necessarium sit ad primam ejusdem rei productionem, inde consequens est ut nihil omnino a causis secundis valeat produci, nisi simul actualis immediatusque influxus causae primae interveniat.