The Key of David in Revelation and Psalm 2
The "key of David" appears in Revelation 3:7, where Jesus is described as "the holy one, the true one, who has the key of David, who opens and no one will shut, who shuts and no one will open" (ESV). This imagery directly echoes Isaiah 22:22, which states, "I will lay the key of the house of David on his shoulder. He will open, and no one will shut. He will shut, and no one will open" [1]. In Isaiah, this key is given to Eliakim, signifying authority over the royal household and access to its resources. In Revelation, the application of this imagery to Jesus indicates his supreme authority over the spiritual house of David, which is the kingdom of God.
The concept of a "key" often symbolizes authority and access. In Revelation, this authority is absolute: what Christ opens, no one can close, and what he closes, no one can open. This power is linked to his identity as "the holy one, the true one," emphasizing his divine nature and faithfulness. The "key of David" thus represents Christ's sovereign control over salvation and judgment, granting access to his kingdom or withholding it [3].
Psalm 2, while not explicitly mentioning the "key of David," is widely understood in Christian tradition as a messianic psalm that prophesies the reign of Christ, the descendant of David [2]. It describes the nations raging against the Lord and his Anointed (Messiah), but God establishes his King on Zion, declaring him to be his Son (Psalm 2:1-7). The psalm culminates with the declaration that the Son will "break them with a rod of iron and dash them in pieces like a potter's vessel" (Psalm 2:9, ESV), and a call for all to "kiss the Son, lest he be angry, and you perish in the way" (Psalm 2:12, ESV).
The early church, as seen in Acts 4:24-28, explicitly applied Psalm 2 to Jesus, recognizing him as the Anointed One whom God had set as King [2]. Peter, in Acts 2:29-36, also interprets David's prophecies as referring to Christ's resurrection and ascension, establishing him as Lord and Messiah [4]. Augustine, a prominent patristic writer, frequently referenced the Psalms, including those pertaining to Christ's passion and ultimate reign, seeing David as a prophetic figure whose writings pointed to the coming Messiah [5, 6, 7, 8].
Therefore, the "key of David" in Revelation and the messianic prophecies of Psalm 2 both underscore Christ's ultimate authority and kingship, rooted in his Davidic lineage and divine nature. one tradition holds the power to open and shut, to rule and judge, fulfilling the promises made to David.
Sources
- Isaiah “I will lay the key of the house of David on his shoulder. He will open, and no one will shut. He will shut, and no one will open. -- Isaiah 22:22”
- Psalms (Baptist/Reformed) “John Gill on Psalms 2 (introduction): INTRODUCTION TO PSALM 2 This psalm is the second in order, and so it is called in Act 13:33; which shows that the book of Psalms was in the same form in the apostles' days as now, and as it ever had been; and though it is without a title, yet certain it is that it is a psalm of David, since the twelve apostles of Christ with one voice ascribe it to him, in which no doubt they the generally received sense of the Jewish Act 4:24; and the Messiah is the subject of and that it is a prophecy concerning him, his person, office, and kingdom, appears from the ex”
- theology (Catholic (Scholastic)) “Aquinas, Summa Theologica, Supplement (Supplementum), Of the Minister of the Keys, Art. 2: Article: Whether Christ had the key? I answer that, The power to do a thing is both in the instrument and in the principal agent, but not in the same way since it is more perfectly in the latter. Now the power of the keys which we have, like other sacramental powers, is instrumental: whereas it is in Christ as principal agent in the matter of our salvation, by authority, if we consider Him as God, by merit, if we consider Him as man [*For St. Thomas' later teaching on this point, Cf. TP, Question [48], A”
- Acts (Presbyterian) “Jamieson, Fausset & Brown on Acts 2:29: David . . . is . . . dead and buried, &c.--Peter, full of the Holy Ghost, sees in this sixteenth Psalm, one Holy Man, whose life of high devotedness and lofty spirituality is crowned with the assurance, that though He taste of death, He shall rise again without seeing corruption, and be admitted to the bliss of God's immediate presence. Now as this was palpably untrue of David, it could be meant only of One other, even of Him whom David was taught to expect as the final Occupant of the throne of Israel. (Those, therefore, and they are many, who take Davi”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 2: Augustine — City of God, Christian Doctrine — CHAP. 19.--OF THE 69TH PSALM, IN WHICH THE OBSTINATE UNBELIEF OF THE JEWS IS DECLARED.: But when the Jews will not in the least yield to the testimonies of this prophecy, which are so manifest, and are also brought by events to so clear and certain a completion, certainly that is fulfilled in them which is written in that psalm which here follows. For when the things which pertain to His passion are prophetically spoken there also in the person of Christ, that is mentioned which is unfolded in the Gospel: "They gave me gall for my meat”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 2: Augustine — City of God, Christian Doctrine — CHAP. 14.--OF DAVID'S CONCERN IN THE WRITING OF THE PSALMS. (part 1): In the progress of the city of God through the ages, therefore, David first reigned in the earthly Jerusalem as a shadow of that which was to come. Now David was a man skilled in songs, who dearly loved musical harmony, not with a vulgar delight, but with a believing disposition, and by it served his God, who is the true God, by the mystical representation of a great thing. For the rational and well-ordered concord of diverse sounds in harmonious variety suggests the”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 8: Augustine — Exposition on Psalms — PSALM LI.[10] (part 2): 190 another. With grief indeed we speak, and with trembling; but yet God would not have to be hushed what He hath willed to be written. I will say then not what I will, but what I am obliged; I will say not as one exhorting to imitation, but as one instructing you to real Captivated with this woman's beauty, the wife of another, the king and prophet David, from whose seed according to the flesh the Lord was to come,[1] committed adultery with her. This thing in this Psalm is not read, but in the title thereof it appeareth;”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 2: Augustine — City of God, Christian Doctrine — CHAP. 24.--PASSAGES FROM THE PSALMS OF DAVID WHICH PREDICT THE END OF THE WORLD AND THE LAST JUDGMENT. (part 1): There are many allusions to the last judgment in the Psalms, but for the most part only casual and slight. I cannot, however, omit 444 to mention what is said there in express terms of the end of this world: "In the beginning hast Thou laid the foundations of the earth, O Lord; and the heavens are the work of Thy hands. They shall perish, but Thou shall endure; yea, all of them shall wax old like a garment; and as a vesture ”