Question 09
How can pure actuality include active power to create otherwise or create nothing?
God's complete actuality excludes receptive deficiency while allowing the distinct question of freely exercised productive power.
In this question
The short answer
Passive potency concerns receiving an actuality one lacks; active power concerns producing an effect. God's ability to create does not name an incomplete divine perfection waiting for a world to actualize it. Alternative creations concern possible effects and voluntary exercises, while divine fullness requires no creature. This distinction removes one obstacle to creative freedom. It does not independently establish every alternative's metaphysical possibility or explain the determinate choice. Freedom includes the possibility of creating nothing, not merely selecting among already necessary worlds.
Why power need not imply deficiency
A capacity to be perfected differs from a power to act. Ignorance awaiting knowledge involves a lack in the subject. Productive efficacy concerns what can proceed from an agent. Aquinas explicitly locates active power in God while excluding passive potency. Pure actuality therefore has a positive relation to efficacy; it need not describe immobility or sterility.
Finite exercise often brings learning, fatigue, movement, or emotional alteration. These conditions do not define productive agency itself. The divine question is whether a source can originate an effect without receiving essential perfection through it. Simplicity excludes acquired completion while leaving intentional authorship to be explained.
Aquinas distinguishes active power from receptive potentiality. The distinction supports creative efficacy without deficiency; it does not itself explain why one possible creation is freely intended rather than another.
Active power is not contrary to act, but is founded upon it, for everything acts according as it is actual: but passive power is contrary to act; for a thing is passive according as it is potential.
Why fullness does not select a world
A possible good gives intelligible content to generosity. It does not follow that every such good must be actual or that omitting one makes God deficient. The recipient benefits; divine goodness possesses its fullness. The Catechism describes creation as proceeding through wisdom and free will rather than necessity or chance.
Even inexhaustibility does not establish freedom. A necessary source could produce effects without ever being exhausted by them. To explain creation as gift, we also affirm genuine alternatives and intelligent voluntary action. The distinction between capacity and exercise prevents productive power from silently becoming a necessary communication of every possible good.
Why creating nothing is a decisive possibility
Creative freedom reaches beyond differences among positive worlds. The absence of all creation would leave divine fullness intact. Establishing its possibility also requires an account of willing: sufficiency in oneself does not rule out every theory of necessary production. The modal and perfection arguments therefore work together.
A timeless free exercise need not be pictured as hesitation followed by decision. Nor does an effect's dependence make its existence necessary. Necessarily, an efficacious intention succeeds; the further question is whether that particular intention is necessary. Explaining why this world is freely intended requires the positive account of agency developed alongside the defense of alternatives.
What remains unrealized when a power is unexercised
A skilled musician who remains silent need not lack musical ability. Performing would actualize a performance, although in this finite case it also involves bodily change and may improve the musician. The comparison establishes one distinction: the actuality of a productive power and the actuality of its effect answer different questions. It does not establish that human performance occurs without intrinsic alteration. The divine proposal removes receptive alteration only on the independent grounds supplied by simplicity and divine perfection.
Accordingly, an uncreated possible world is not a missing piece of divine achievement. The relevant power is fully actual as power; the creature would receive the actuality of existing. This answers the allegation that every unexercised productive power must be a passive deficiency. It leaves open whether the power must produce something. A necessary emanation could proceed from a source that neither learns nor improves. Showing that creation adds no divine perfection therefore does not, by itself, establish a possible world in which God creates nothing.
Why freedom requires more than divine sufficiency
The positive case adds a theory of voluntary agency. A recipient's good can make giving intelligible without imposing a uniquely binding demand to give. If divine goodness is complete, and if no additional principle requires the existence of a recipient, both communicating a good and not undertaking that communication can be rationally eligible. God then has an active power whose exercise is settled through intention rather than forced by the bare possession of power. Noncreation means the voluntary absence of an outward creative exercise, not the absence of divine understanding, goodness, or self-possession.
This argument turns on whether perfect goodness allows such nonnecessitating reasons. The strongest opponent grants divine sufficiency but holds that perfect goodness necessarily communicates itself. Against that view, we distinguish the goodness of giving from an obligation or natural necessity to give; a further argument would be needed to identify them. Our account receives free creation theologically and develops this distinction philosophically. It supports alternatives through an account of agency, not through the inference that no finite effect exhausts God, therefore some alternative must be possible. Inexhaustibility and contingency are different claims.
The strongest objection
Would an unexercised power to create leave something unrealized in God?
It would leave a possible effect uncreated. That is not yet an unrealized essential perfection in its source. The objection succeeds only if every productive capacity necessarily requires its exercise in order for the agent to be complete. We deny that principle of divine power. Its exercise concerns a freely intended recipient, while the harder account of contingent intention remains a distinct philosophical task.
What follows
- Free creation is a theological commitment. The distinction between passive potency and active power clarifies its coherence, while genuine alternatives and authored intention require their own arguments.
Sources
Connections
- Divine agency
Active power and free exercise do different explanatory work.