Genesis 18:2 Daily Devotional & Meaning – Abraham, the Three Men, and a Glimpse of the Triune God
- Benjamin Michael Mcgreevy
- Apr 18
- 6 min read
Daily Verses Everyday! Day 75
“And he lift up his eyes and looked, and, lo, three men stood by him: and when he saw [them,] he ran to meet them from the tent door, and bowed himself toward the ground,”
Genesis 18:2 is one of the most extraordinary moments in the entire Old Testament. The previous verse tells us plainly, “The LORD appeared unto him.” That alone is profound as God Himself has come to Abraham. But then verse 2 adds a surprising detail: “three men stood by him.” The text moves effortlessly from “the LORD” to “three,” without apology or explanation, inviting the reader into one of Scripture’s most mysterious and beautiful revelations. Abraham, a man who has walked with God for many years, instantly recognizes something divine in this moment. His reaction is immediate and reverent: he runs to meet them and bows himself to the ground.
This scene presents an early, God-given glimpse into the mystery of the Trinity long before Christian theologians ever articulated the doctrine. While it is true that the word “Trinity” never appears in Scripture, the concept is woven throughout both Testaments, revealed in moments where God appears, speaks, relates, and acts in ways that cannot be confined to a solitary, isolated Person. Critics often claim that the doctrine of the Trinity is a later human invention, the result of Greek philosophy or theological speculation. But this simply does not match history. The Council of Nicaea in AD 325 did not create new doctrine. Instead, they clarified and defended what had already been revealed by God in Scripture in passages like Genesis 18, where the unity and plurality of God appear side by side without contradiction.
In Genesis 18, the Lord appears, and yet three persons are standing before Abraham. The Hebrew text emphasizes plurality: three men. And yet Abraham addresses them as one: “My Lord.” He does not see three unrelated visitors; he recognizes a divine presence manifested in three. The early church fathers saw in this passage an undeniable foreshadowing of the triune nature of God, a glimpse into the eternal fellowship of Father, Son, and Holy Spirit. While this passage is not a full exposition of the Trinity, it is a real, historical moment in which the oneness of God and the plurality within God are presented together.
Abraham’s reaction strengthens this interpretation. Abraham runs toward them, a startling action for a man nearly a 100 years old. In his culture, dignified patriarchs did not run. Running was the behavior of servants or children. Yet Abraham, sensing the presence of God, breaks custom and runs toward His visitors. His heart, trained by decades of faith, recognizes the One he has walked with since leaving Ur. This eager movement of Abraham reveals a deep longing for the presence of the Lord, a desire that overrides age, dignity, and even physical limitation. When Abraham bows himself to the ground, the Hebrew word used is shachah, a word commonly translated as worship. Throughout Scripture, angels and men reject worship, but in this moment, the visitors accept Abraham’s posture. This alone reveals something extraordinary about their identity. Abraham’s bow is not rebuked, and Scripture does not correct him, which strongly indicates that one of these men is indeed the Lord, appearing in a form Abraham can see and interact with.
But this raises an important theological question: how can Abraham see the Lord when God told Moses, “for there shall no man see me, and live” in Exodus 33:20? Scripture acknowledges the tension deliberately. God the Father, in His essence, is invisible and unapproachable. Yet again and again in the Old Testament, individuals encounter God in visible, tangible ways like walking, speaking, appearing, and even eating with His people. These appearances are not contradictions; they are Christophanies, pre-incarnate manifestations of the eternal Son, the second Person of the Trinity. Jesus Himself said, “he that hath seen me hath seen the Father.” The invisible God is made visible in the Son. The God who cannot be seen in His essence reveals Himself through His Word. The God whom no one can grasp in His fullness makes Himself known through the Person of Christ.
Thus, the “man” Abraham bows before is not the Father in human form; it is the Son, appearing long before Bethlehem, long before the incarnation, long before He was born of Mary. Throughout the Old Testament, the One who speaks as God, receives worship as God, judges as God, and blesses as God is the Son. The New Testament confirms this truth when it says all things were created through Him, all revelation is through Him, and that He is the exact image of the invisible God. Abraham is not violating God’s command about seeing Him; he is encountering the Son, the visible manifestation of God.
This brings us back to why the Council of Nicaea relied on passages like Genesis 18. The early Christians were not inventing the Trinity; they were defending the logic of Scripture against those who tried to force God into categories Scripture does not allow. The Bible speaks of the Father as God, the Son as God, and the Spirit as God, and yet affirms that God is one. Genesis 18 shows this unity and plurality side by side: the Lord appears, yet appears as three. The early church fathers like Justin Martyr, Irenaeus, Tertullian, and Athanasius referenced this passage as evidence that God is not a solitary being locked in eternal isolation, but a living, relational, multi-personal God—a God who can appear in three and yet still be one.
There is also deep theological meaning in Abraham’s hospitality toward the three visitors. Hebrews 13:2 explicitly references this event when it says, “some have entertained angels unawares.” Yet Abraham seems to sense more than angels; he senses the Lord Himself in their midst. Hospitality in Scripture is more than kindness; it is a recognition of God’s image in others, a reflection of covenantal faithfulness. Abraham does not serve these visitors begrudgingly; he runs to serve them, eager to bless those who have blessed him. His hospitality becomes an act of worship, a demonstration of faith, and a manifestation of love for God.
Furthermore, this encounter comes immediately after the covenant of circumcision in Genesis 17. God had commanded Abraham to walk before Him and be blameless, and Abraham obeyed. Now, in Genesis 18, God rewards that obedience with deeper revelation. Revelation often follows obedience in Scripture. God trusts the obedient heart with greater intimacy. Abraham’s faithfulness opens the door for God to reveal not only the coming birth of Isaac but also His plans for Sodom. The fellowship shared under the trees of Mamre flows naturally into divine disclosure. Abraham is not merely God’s servant; he is God’s friend. Jesus later says, “Henceforth I call you not servants… I have called you friends,” and Abraham’s experience is a foretaste of that truth.
Thus, Genesis 18:2 is not a simple description of travelers appearing near Abraham’s tent. It is a window into the very nature of God, a revelation of the Trinity’s shadow cast across the Old Testament, a moment of divine fellowship that points ahead to the incarnation, and a demonstration of Abraham’s reverent, eager, and worshipful response to the presence of God. In this scene, Abraham encounters the eternal Son, accompanied by heavenly beings, revealing that the God who calls, covenants, and commands is also the God who comes near, appears, speaks, walks among His people, and invites them into fellowship with Himself. In the heat of the day, at the entrance of his tent, Abraham was given a glimpse of the triune God, long before Christian creeds were written, long before theological terms existed, but exactly as God has always been: one God in three Persons, eternally worthy of worship.
If you would like to explore Genesis in a sustained, verse-by-verse way with space to reflect, journal, and trace how these foundational truths unfold through Scripture the Verse by Verse book expands these reflections into a unified reading experience. The book gathers these meditations into a structured journey through Genesis, designed to help readers linger in the text and engage God’s Word more deeply over time.
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