"You aim at a devout life, dear Philothea, because as a Christian you know that such devotion is most acceptable to God's Divine Majesty," says St. Francis de Sales in his book "Introduction to the Devout Life".
And we can all be Philotheas, as St. Francis notes: "I have made use of a name suitable to all who seek the devout life, Philothea meaning one who loves God."
Feast of the Most Holy Trinity, in the Divine Office of Prime, the Athanasian
Creed is said. And it leaves no doubt as
to the unity of the Holy Trinity!It has
been used by Christian churches since the sixth century, and is the first creed
in which the equality of the three persons of the Trinity is explicitly stated.
There’s an interesting article at Wikipedia.
willeth to be saved, * before all things it is necessary that he hold the
faith except every one do keep whole and undefiled, * without doubt he shall
Catholic faith is this, * that we worship one God in Trinity, and Trinity in
confounding the Persons, * nor dividing the substance.
there is one Person of the Father, another of the Son, * and another of the
Godhead of the Father, of the Son, and of the Holy Ghost is one, * the Glory
Equal, the Majesty Co-Eternal.
the Father is, such is the Son, * and such is the Holy Ghost.
The Father Uncreated, the Son Uncreated, * and
the Holy Ghost Uncreated.
Father Infinite, the Son Infinite, * and the Holy Ghost Infinite. * The Father
Eternal, the Son Eternal, * and the Holy Ghost Eternal.
they are not three Eternals, * but one Eternal.
they are not three Uncreated, nor three Infinites, * but One Uncreated, and One
likewise the Father is Almighty, the Son Almighty, * and the Holy Ghost
they are not three Almighties, * but One Almighty.
Father is God, the Son God, * and the Holy Ghost God.
they are not three Gods, * but One God.
Father is Lord, the Son Lord, * and the Holy Ghost Lord.
they are not three Lords, * but One Lord.
like as we are compelled by Christian truth to acknowledge every Person by
Himself to be God and Lord, * so are we forbidden by the Catholic Religion to
say, there be three Gods or three Lords.
Father is made of none, * neither created, nor begotten.
is of the Father alone: * not made, nor created, but begotten.
Holy Ghost is of the Father, and the Son: * not made, nor created, nor
begotten, but proceeding.
there is One Father, not three Fathers; one Son, not three Sons; * one Holy
Ghost, not three Holy Ghosts.
this Trinity is nothing afore or after, nothing is greater or less; * but the
whole three Persons are Co-Eternal together, and Co-Equal.
in all things, as is aforesaid, * the Unity in Trinity, and the Trinity in
Unity is to be worshipped.
therefore that willeth to be safe, * let him thus think of the Trinity.
is necessary to eternal salvation, * that he also believe faithfully the
Incarnation of our Lord Jesus Christ.
right Faith therefore is, that we believe and confess, * that our Lord Jesus
Christ, the Son of God, is God and man.
the Substance of the Father, Begotten before the worlds: * and Man, of the
substance of His mother, born in the world.
God, Perfect Man, * of a reasoning soul and human flesh subsisting.
to the Father as touching His Godhead, * inferior to the Father as touching His
although He be God and Man, * yet He is not two, but One Christ.
however, not by conversion of the Godhead into Flesh, * but by taking of the
Manhood into God.
altogether, not by confusion of Substance, * but by Unity of Person.
the reasoning soul and flesh is one man, * so God and man is One Christ.
suffered for our salvation, descended into hell, * rose again the third day
from the dead.
ascended into heaven, He sitteth on the right hand of the Father, God Almighty,
* from whence He shall come to judge the quick and the dead.
whose coming all men shall rise again with their bodies, * and shall give
account for their own works.
they that have done good shall go into life eternal, * but they that have done
evil into eternal fire.
the Catholic Faith, * which except a man believe faithfully and firmly, he
cannot be safe.
be to the Father, and to the Son, * and to the Holy Ghost. R. As it was in the beginning, is now, * and ever shall be, world
without end. Amen.
Ant. Glory be to thee, O equal Trinity * one Deity, from before all
ages, so now and for evermore.