Why does God call Jesus "Son" in Heb 1:5?
What is the significance of God calling Jesus "Son" in Hebrews 1:5?

Text Of Hebrews 1:5

“For to which of the angels did God ever say, ‘You are My Son; today I have become Your Father’? Or again, ‘I will be His Father, and He will be My Son’?”


Immediate Context In Hebrews

Hebrews 1 opens by contrasting God’s former revelations through the prophets with His climactic self-revelation “in His Son” (Hebrews 1:2). Verse 5 supplies the first proof-text pair demonstrating Christ’s superiority over angels. By quoting Psalm 2:7 and 2 Samuel 7:14, the writer shows that the title “Son” belongs uniquely to Jesus, not to any created being.


Old Testament Background

Psalm 2:7 (“You are My Son; today I have begotten You”) is a royal enthronement psalm promising universal dominion to the Davidic king. 2 Samuel 7:14 (“I will be his Father, and he will be My Son”) forms the core of the Davidic covenant, guaranteeing an everlasting dynasty. By combining these texts, Hebrews affirms that Jesus is the ultimate Davidic heir whose reign is eternal (cf. Isaiah 9:6–7).


Unique, Not Adoptive, Sonship

Angels are sometimes called “sons of God” collectively (Job 38:7), and believers are called “children of God” by adoption (Romans 8:15). Jesus alone is “His own Son” (Romans 8:32), of the same divine nature (John 5:18). The singular “Son” (huios) in Hebrews 1:5 stresses uniqueness; God’s question “to which of the angels…?” implies an exclusive category: deity.


“Today I Have Become Your Father” — Enthronement And Resurrection

“Today” refers not to a moment of literal origin but to a historical act of enthronement. Acts 13:33 applies Psalm 2:7 to the resurrection, showing that the resurrection publicly inaugurated the Son’s royal rule. The eternal Son is installed in messianic office within history; His divine sonship is eternal, His messianic sonship climactic.


Eternal Generation, Not Creation

“Begotten” (gegennēka) in Psalm 2:7 speaks of relationship, not creation. Early creeds echo Hebrews: the Son is “begotten, not made” (Niceno-Constantinopolitan Creed). Thus Hebrews 1:5 guards both Christ’s deity and His distinction from the Father—core to Trinitarian doctrine (John 1:1,18; 17:5).


Superiority To Angels And Heavenly Council

Angels are ministering spirits (Hebrews 1:14); the Son sits on the eternal throne (Hebrews 1:8). By highlighting Psalm 2:7, the author shows that worship owed to God alone rightly belongs to the Son (Hebrews 1:6), refuting any tendency to treat Jesus as a mere exalted angel (cf. Colossians 2:18).


Covenant Fulfillment And Kingly Authority

The 2 Samuel 7 promise establishes a perpetual throne. Matthew’s genealogy, Luke’s annunciation (Luke 1:32-33), and Revelation’s depiction of the Lamb on David’s throne (Revelation 5:5–13; 22:16) all echo this covenant. Hebrews 1:5 roots Jesus’ kingship in this unbreakable promise, showcasing God’s covenant faithfulness.


Priestly Mediation Linked To Sonship

Hebrews later asserts, “Though He was a Son, He learned obedience” (Hebrews 5:8) and was appointed High Priest “forever” (Hebrews 5:6). Sonship legitimizes His priesthood after Melchizedek; His royal lineage (Judah) would otherwise disqualify Him from the Levitical order. The divine designation overrides tribal limitations (Hebrews 7:14–17).


Early Patristic Reception

Justin Martyr (Dial. 88), Irenaeus (Adv. Haer. 3.6.1), and Tertullian (Adv. Praxean 13) cite Psalm 2:7 as proof of Christ’s pre-existent divinity. Their unanimous interpretation aligns with Hebrews: Jesus is eternally Son, yet historically exalted.


Practical Application

Because Jesus is uniquely Son, believers can rest in the Father’s unwavering love (Romans 8:32). Worship must remain Christ-centered, avoiding angel-fixation or human hero-worship. Evangelistically, Hebrews 1:5 challenges seekers: if God has declared Jesus His Son, neutrality is not an option (John 3:18).


Conclusion

God’s declaration “You are My Son” in Hebrews 1:5 unites royal promise, divine nature, priestly office, and redemptive mission. It silences rival claims, secures the believer’s hope, and magnifies the glory of the triune God revealed supremely in the risen Christ.

Why does Hebrews 1:5 reference Old Testament scriptures to describe Jesus?
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