ans the Holy Ghost, as in the
words of Joel 2:28: "I will pour out of My Spirit over all flesh."
Therefore this name 'Holy Ghost' is not the proper name of a divine
person.

Obj. 2: Further, the names of the divine persons are relative terms,
as Boethius says (De Trin.). But this name "Holy Ghost" is not a
relative term. Therefore this name is not the proper name of a divine
Person.

Obj. 3: Further, because the Son is the name of a divine Person He
cannot be called the Son of this or of that. But the spirit is spoken
of as of this or that man, as appears in the words, "The Lord said to
Moses, I will take of thy spirit and will give to them" (Num. 11:17)
and also "The Spirit of Elias rested upon Eliseus" (4 Kings 2:15).
Therefore "Holy Ghost" does not seem to be the proper name of a
divine Person.

_On the contrary,_ It is said (1 John 5:7): "There are three who bear
witness in heaven, the Father, the Word, and the Holy Ghost." As
Augustine says (De Trin. vii, 4): "When we ask, Three what? we say,
Three persons." Therefore the Holy Ghost is the name of a divine
person.

_I answer that,_ While there are two processions in God, one of
these, the procession of love, has no proper name of its own, as
stated above (Q. 27, A. 4, ad 3). Hence the relations also which
follow from this procession are without a name (Q. 28, A. 4): for
which reason the Person proceeding in that manner has not a proper
name. But as some names are accommodated by the usual mode of
speaking to signify the aforesaid relations, as when we use the names
of procession and spiration, which in the strict sense more fittingly
signify the notional acts than the relations; so to signify the
divine Person, Who proceeds by way of love, this name "Holy Ghost" is
by the use of scriptural speech accommodated to Him. The
appropriateness of this name may be shown in two ways. Firstly, from
the fact that the person who is called "Holy Ghost" has something in
common with the other Persons. For, as Augustine says (De Trin. xv,
17; v, 11), "Because the Holy Ghost is common to both, He Himself is
called that properly which both are called in common. For the Father
also is a spirit, and the Son is a spirit; and the Father is holy,
and the Son is holy." Secondly, from the proper signification of the
name. For the name spirit in things corporeal seems to signify
impulse and motion; for we call the breath and the wind by the term
spirit. Now it is a property of love t