THIRD ARTICLE [I, Q. 42, Art. 3]

Whether in the Divine Persons There Exists an Order of Nature?

Objection 1: It would seem that among the divine persons there does

not exist an order of nature. For whatever exists in God is the

essence, or a person, or a notion. But the order of nature does not

signify the essence, nor any of the persons, or notions. Therefore

there is no order of nature in God.

Obj. 2: Further, wherever order of nature exists, there one comes

before another, at least, according to nature and intellect. But in

the divine persons there exists neither priority nor posteriority, as

declared by Athanasius. Therefore, in the divine persons there is no

order of nature.

Obj. 3: Further, wherever order exists, distinction also exists.

But there is no distinction in the divine nature. Therefore it is

not subject to order; and order of nature does not exist in it.

Obj. 4: Further, the divine nature is the divine essence. But

there is no order of essence in God. Therefore neither is there

of nature.

_On the contrary,_ Where plurality exists without order, confusion

exists. But in the divine persons there is no confusion, as Athanasius

says. Therefore in God order exists.

_I answer that,_ Order always has reference to some principle.

Wherefore since there are many kinds of principle--namely, according

to site, as a point; according to intellect, as the principle of

demonstration; and according to each individual cause--so are there

many kinds of order. Now principle, according to origin, without

priority, exists in God as we have stated (Q. 33, A. 1): so there

must likewise be order according to origin, without priority; and

this is called 'the order of nature': in the words of Augustine

(Contra Maxim. iv): "Not whereby one is prior to another, but whereby

one is from another."

Reply Obj. 1: The order of nature signifies the notion of origin in

general, not a special kind of origin.

Reply Obj. 2: In things created, even when what is derived from a

principle is co-equal in duration with its principle, the principle

still comes first in the order of nature and reason, if formally

considered as principle. If, however, we consider the relations of

cause and effect, or of the principle and the thing proceeding

therefrom, it is clear that the things so related are simultaneous in

the order of nature and reason, inasmuch as the one enters the

definition of the other. But in God the relations themselves are the

persons subsisting in one nature. So, neither on the part of the

nature, nor on the part the relations, can one person be prior to

another, not even in the order of nature and reason.

Reply Obj. 3: The order of nature means not the ordering of nature

itself, but the existence of order in the divine Persons according to

natural origin.

Reply Obj. 4: Nature in a certain way implies the idea of a

principle, but essence does not; and so the order of origin is more

correctly called the order of nature than the order of essence.

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Summa Theologica, Part I (Prima Pars) From the Complete American Edition · 第 284 / 722 题