rther, God is the mover unmoved. But such also is the
desirable object when apprehended. Therefore God moves as the object
of desire and apprehension. But He cannot be apprehended except by the
intellect, which is neither a body nor a corporeal power. Therefore
God cannot move a body immediately.
Obj. 3: Further, the Philosopher proves (Phys. viii, 10) that an
infinite power moves instantaneously. But it is impossible for a body
to be moved in one instant; for since every movement is between
opposites, it follows that two opposites would exist at once in the
same subject, which is impossible. Therefore a body cannot be moved
immediately by an infinite power. But God's power is infinite, as we
have explained (Q. 25, A. 2). Therefore God cannot move a body
immediately.
_On the contrary,_ God produced the works of the six days immediately
among which is included the movements of bodies, as is clear from Gen.
1:9 "Let the waters be gathered together into one place." Therefore
God alone can move a body immediately.
_I answer that,_ It is erroneous to say that God cannot Himself
produce all the determinate effects which are produced by any created
cause. Wherefore, since bodies are moved immediately by created
causes, we cannot possibly doubt that God can move immediately any
bodies whatever. This indeed follows from what is above stated (A.
1). For every movement of any body whatever, either results from a
form, as the movements of things heavy and light result from the form
which they have from their generating cause, for which reason the
generator is called the mover; or else tends to a form, as heating
tends to the form of heat. Now it belongs to the same cause, to
imprint a form, to dispose to that form, and to give the movement
which results from that form; for fire not only generates fire, but
it also heats and moves things upwards. Therefore, as God can imprint
form immediately in matter, it follows that He can move any body
whatever in respect of any movement whatever.
Reply Obj. 1: There are two kinds of contact; corporeal contact, when
two bodies touch each other; and virtual contact, as the cause of
sadness is said to touch the one made sad. According to the first
kind of contact, God, as being incorporeal, neither touches, nor is
touched; but according to virtual contact He touches creatures by
moving them; but He is not touched, because the natural power of no
creature can reach up to Him. Thus did Dion
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