Sunday Devotional: The Mystery of Three Persons in One God

Matthew 3:1, 13, 16-17

In those days came John the Baptist,
preaching in the wilderness of Judaea….
Then cometh Jesus from Galilee to Jordan unto John,
to be baptized of him….
And Jesus, when he was baptized,
went up straightway out of the water:
and, lo, the heavens were opened unto him,
and he saw the Spirit of God descending like a dove,
and lighting upon him:
And lo a voice from heaven, saying,
This is my beloved Son, in whom I am well pleased.

Today, the universal Church celebrates the Holy Trinity — the mystery of Three Persons in One God.

That there is but one God and three Persons — the Father, Son, and the Holy Spirit — is not only found in the above passage from Matthew 3, but also in other places in Holy Scripture:

Genesis 1:26

And God said,
Let us make man in our image,
after our likeness

John 5:7

For there are three
that bear record in Heaven,
the Father, the Word, and the Holy Ghost;
and these three are one.

Matthew 28:18-20

Then Jesus approached and said to them,
“All power in heaven and on earth has been given to me.
Go, therefore, and make disciples of all nations,
baptizing them in the name of the Father,
and of the Son, and of the Holy Spirit,
teaching them to observe all that I have commanded you.
And behold, I am with you always, until the end of the age.”

Our greatest theologians had sought in vain to plumb the mystery of the Triune Godhead — of three Persons in one God.

St. Thomas Aquinas concluded in Summa Theologica:

We cannot come to the knowledge of the Trinity by reason alone, that is, by the natural and unaided efforts of the human mind. By our natural reason, we can know that God exists; that he is the First Cause of all; that he is one, infinite, simple, immutable, etc. But that the one God subsists in three really distinct Persons is a truth that can be known only by supernatural means. That is a truth beyond the reach of human reason to know, to prove, or to disprove. We know this truth by divine revelation, and accept it by supernatural faith; we take it upon the authority of God himself.… By aid of the light of glory the soul in heaven sees God himself clearly and truly.

And so we accept our human limitation and believe, putting our trust in the words of St. Paul that we shall understand fully when we see God face to face:

1 Corinthians 13:11-12

When I was a child, I spoke like a child,
I thought like a child, I reasoned like a child;
when I became a man, I gave up childish ways.
For now we see in a mirror dimly,
but then face to face.
Now I know in part;
then I shall understand fully,
even as I have been fully understood.

May the peace and love of our Lord Jesus Christ be with you,

~Eowyn

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Steven Broiles
1 year ago

St. Thomas Aquinas asks the simplest question that can ever be asked—the simplest and yet the most profound: “Why is there something instead of nothing?” We cannot plumb the depths of this question this side of the dirt nap; We are involved in a Great Mystery, and I don’t look for pyrotechnics and grand pronunciations. I always try to discern the sublime. God eternally begot His Son. My words can be read and heard by others, but my words do not know me; The vibrations of sound go forth from my vocal chords and mouth and are absorbed by my… Read more »

operaghost
operaghost
1 year ago
Reply to  Steven Broiles

Beautifully stated…

Lophatt
Lophatt
1 year ago
Reply to  Steven Broiles

Well said. I’ve been re-reading St. Augustine’s “Confessions”. He uses your argument in discussing the differences between Manichaeans and Catholics. We are in need of Him.

Alma
Alma
1 year ago

And with You Spirit, Amén. Many times I tell myself that it is the mystery that makes me a believer of the power enthralled when I invoke GOD, because the three persons are one, the Father, the Son and the Holy Spirit. I look forward to start the day with the Sunday Devotional, thank You.

Auntie Lulu
Auntie Lulu
1 year ago

To me it is an innate comfort to know that we, those who inhabit this
Earth were created to have bodies that resemble that of our God.

truckjunkie
truckjunkie
3 months ago
Reply to  Auntie Lulu

In my case,I’d have thought He’d do a little better work than this. (Please forgive my irreverence God.)

Maryaha
Maryaha
3 months ago

Thank you, Dr. Eowyn, and the Lord bless you.💛

TrailDust
Admin
3 months ago

Beautiful devotional, Dr. Eowyn! A pastor friend once said that every heresy has this in common: the denial of the Trinity.