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FIFTH ARTICLE [I, Q. 27, Art. 5]

Whether There Are More Than Two Processions in God?

Objection 1: It would seem that there are more than two processions
in God. As knowledge and will are attributed to God, so is power.
Therefore, if two processions exist in God, of intellect and will,
it seems that there must also be a third procession of power.

Obj. 2: Further, goodness seems to be the greatest principle of
procession, since goodness is diffusive of itself. Therefore there
must be a procession of goodness in God.

Obj. 3: Further, in God there is greater power of fecundity than
in us. But in us there is not only one procession of the word, but
there are many: for in us from one word proceeds another; and also
from one love proceeds another. Therefore in God there are more
than two processions.

_On the contrary,_ In God there are not more than two who
proceed--the Son and the Holy Ghost. Therefore there are in Him
but two processions.

_I answer that,_ The divine processions can be derived only from
the actions which remain within the agent. In a nature which is
intellectual, and in the divine nature these actions are two, the
acts of intelligence and of will. The act of sensation, which also
appears to be an operation within the agent, takes place outside the
intellectual nature, nor can it be reckoned as wholly removed from
the sphere of external actions; for the act of sensation is perfected
by the action of the sensible object upon sense. It follows that no
other procession is possible in God but the procession of the Word,
and of Love.

Reply Obj. 1: Power is the principle whereby one thing acts on
another. Hence it is that external action points to power. Thus the
divine power does not imply the procession of a divine person; but
is indicated by the procession therefrom of creatures.

Reply Obj. 2: As Boethius says (De Hebdom.), goodness belongs to
the essence and not to the operation, unless considered as the
object of the will.

Thus, as the divine processions must be denominated from certain
actions; no other processions can be understood in God according to
goodness and the like attributes except those of the Word and of love,
according as God understands and loves His own essence, truth and
goodness.

Reply Obj. 3: As above explained (Q. 14, A. 5; Q. 19, A. 5), God
understands all things by one simple act; and by one act also He
wills all things. Hence there cannot exist in Him a proce