Sunday Devotional: The Mystery of the Holy Trinity

Matthew 28:16-20

The eleven disciples went to Galilee,
to the mountain to which Jesus had ordered them.
When they all saw him, they worshiped, but they doubted.
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.”

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 28, 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.

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,


15 responses to “Sunday Devotional: The Mystery of the Holy Trinity

  1. Perfect, Thank you.

    Liked by 2 people

  2. It is best if we just accept the reality of the Trinity by faith. I say this because I have people fall into error by trying to understand the Trinity and explain it logically. The business of the church should be preaching the gospel, but when a group of people gets focused on one truth of Scripture, as good as their intentions may be, before long the gospel is abandoned by this group and they are spending all of their time trying to convince people of their opinions.

    For example, the group called the Oneness people. They have somehow come to believe that that there is only Jesus, and no Father and no Holy Spirit; ignoring all biblical evidence to the contrary, even dismissing Jesus’s own words about the Father and the Holy Spirit.

    Liked by 1 person

  3. WE are TRULY the chosen people for we have found THE FATHER, THE SON AND THE HOLY SPIRIT. Amen

    Liked by 3 people

  4. John17 is the explanation of what makes the triune Godhead one. LOVE. Not ontology. The idea that God is one ontologically comes from Greek philosophy about perfection and oneness. It is not a description of the Biblical God. He is not schizophrenic.


  5. Thank you and bless you.

    Liked by 3 people

  6. Reblogged this on kommonsentsjane and commented:

    Reblogged on kommonsentsjane/blogkommonsents.

    Sunday Devotional.


    Liked by 1 person

  7. Thank you Dr. Eowyn for this devotional. I actually used part of it today to teach my oldest son about his behavior.

    Liked by 2 people

  8. From the phenomenological standpoint, St. Thomas Aquinas is absolutely and sublimely correct: A supernatural truth—at least of this order—is knowable only by supernatural means, viz., Grace, and CANNOT be understood by our natural reason alone. So we CANNOT understand, and yet, are STILL able to believe, due to supernatural Grace.
    And this squares with God’s Nature and His Will: Would God command us to believe something we cannot understand? The short answer is YES, and for this reason: God, by His Very Nature, cannot LIE. He cannot prevaricate. He cannot exaggerate. Therefor, God can neither deceive, nor be deceived.

    THIS is why we believe this sublime truth. THIS is why we are Commanded to believe in the Real Presence in the Holy Eucharist, and why we must believe everything that God Has Revealed to us. We lack the understanding, but as we are rational creatures we still possess the free will to believe what we cannot understand. This is no “psychic assault” upon our Liberty: It is the ONLY WAY OUT of the fallen condition we have all been born into!

    YES, I DO believe!

    Liked by 2 people

  9. An explanation I once heard made so much sense to me. God is one – Father, Son, Holy Spirit. When I consider myself, I have many roles. I’m a woman, a daughter, a mother, a grandmother, a wife – but I’m still the one person: me. I have, and am, fulfilling many roles but I’m still me – one person.

    Liked by 2 people

  10. Twenty-five years ago I attempted to reason w/a young Jehovah’s Witness as to the truth of the Trinity and its existence, but he was adamant: it’s impossible. Even science proves three things cannot exist in the space of only one of them, so there!

    TOTALLY frustrated w/his stupidity, I gently took his hand, spread it open and said “Look: do you see your hand? It has a thumb, four fingers, and a palm, doesn’t it? And they are all very separate and distinct, aren’t they?”

    His unblemished brow wrinkled in thought, from lack of use apparently, then he admitted “Well, yes, okay.”

    “Yet all three combine flawlessy into One Perfect Hand, as it is with the Trinity.” Silence. I walk away, leaving him to ponder it all.

    Liked by 1 person

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