Note (return) — Chapter XII
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The existence of an eternal principle subsisting in energy is also demanded to explain the order of the world. "For how, let me ask, will there prevail order on the supposition that there is no subsistence of that which is eternal, and which involves a separable existence, and is permanent." 740 "All things in nature are constituted in the best possible manner." 741 All things strive after "the good." "The appearance of ends and means in nature is a proof of design." 742 Now an end or final cause presupposes intelligence,--implies a mind to see and desire it. That which is "fair," "beautiful," "good," an "object of desire," can only be perceived by Mind. The "final cause" must therefore subsist in that which is prior and immovable and eternal; and Mind is "that substance which subsists absolutely, and according to energy." 743 "The First Mover of all things, moves all things without being moved, being an eternal substance and energy; and he moves all things as the object of reason and of desire, or love." 744