whereof being the Holy Ghost. From this point of
view, there was a sufficient motive for those who referred one
article to the three Persons. Since, however, with regard to each
Person, certain points have to be observed, about which some happen
to fall into error, looking at it in this way, we may distinguish
three articles about the three Persons. For Arius believed in the
omnipotence and eternity of the Father, but did not believe the Son
to be co-equal and consubstantial with the Father; hence the need for
an article about the Person of the Son in order to settle this point.
In like manner it was necessary to appoint a third article about the
Person of the Holy Ghost, against Macedonius. In the same way
Christ's conception and birth, just as the resurrection and life
everlasting, can from one point of view be united together in one
article, in so far as they are ordained to one end; while, from
another point of view, they can be distinct articles, in as much as
each one separately presents a special difficulty.

Reply Obj. 4: It belongs to the Son and Holy Ghost to be sent to
sanctify the creature; and about this several things have to be
believed. Hence it is that there are more articles about the Persons
of the Son and Holy Ghost than about the Person of the Father, Who is
never sent, as we stated in the First Part (Q. 43, A. 4).

Reply Obj. 5: The sanctification of a creature by grace, and its
consummation by glory, is also effected by the gift of charity, which
is appropriated to the Holy Ghost, and by the gift of wisdom, which
is appropriated to the Son: so that each work belongs by
appropriation, but under different aspects, both to the Son and to
the Holy Ghost.

Reply Obj. 6: Two things may be considered in the sacrament of the
Eucharist. One is the fact that it is a sacrament, and in this
respect it is like the other effects of sanctifying grace. The other
is that Christ's body is miraculously contained therein and thus it
is included under God's omnipotence, like all other miracles which
are ascribed to God's almighty power.
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NINTH ARTICLE [II-II, Q. 1, Art. 9]

Whether It Is Suitable for the Articles of Faith to Be Embodied in a
Symbol?

Objection 1: It would seem that it is unsuitable for the articles of
faith to be embodied in a symbol. Because Holy Writ is the rule of
faith, to which no addition or subtraction can lawfully be made,
since it is written (Deut. 4:2): "You