Isa 9:6-7, Dan 7:13-14, Lk 1:31-33, Acts 2:36, Eph 1:20-22, Phil 2:8-11
In the Old Testament, God promised King Solomon that if King Solomon kept the word of God, God would give the throne of Israel to the descendants of King Solomon forever. (1 Kings 9:4-5)
1 Kings 9:4 And if thou wilt walk before me, as David thy father walked, in integrity of heart, and in uprightness, to do according to all that I have commanded thee, and wilt keep my statutes and my judgments: 5 Then I will establish the throne of thy kingdom upon Israel for ever, as I promised to David thy father, saying, There shall not fail thee a man upon the throne of Israel.
In the Old Testament, it was foretold that Christ would come and become the eternal King. (Isa 9:6-7)
Isa 9:6 For unto us a child is born, unto us a son is given: and the government shall be upon his shoulder: and his name shall be called Wonderful, Counsellor, The mighty God, The everlasting Father, The Prince of Peace. 7 Of the increase of his government and peace there shall be no end, upon the throne of David, and upon his kingdom, to order it, and to establish it with judgment and with justice from henceforth even for ever. The zeal of the Lord of hosts will perform this. ` In the Old Testament, Daniel saw a vision of God giving Christ an eternal throne. (Dan 7:13-14)
Dan 7:13 I saw in the night visions, and, behold, one like the Son of man came with the clouds of heaven, and came to the Ancient of days, and they brought him near before him. 14 And there was given him dominion, and glory, and a kingdom, that all people, nations, and languages, should serve him: his dominion is an everlasting dominion, which shall not pass away, and his kingdom that which shall not be destroyed.
Jesus is the Christ, the eternal King foretold in the Old Testament. (Luke 1:31-33)
Luke 1:31 And, behold, thou shalt conceive in thy womb, and bring forth a son, and shalt call his name Jesus. 32 He shall be great, and shall be called the Son of the Highest: and the Lord God shall give unto him the throne of his father David: 33 And he shall reign over the house of Jacob for ever; and of his kingdom there shall be no end.
God made Jesus the Lord and King of all things. (Acts 2:36, Ephesians 1:20-22, Phil 2:8-11)
Acts 2:36 Therefore let all the house of Israel know assuredly, that God hath made the same Jesus, whom ye have crucified, both Lord and Christ.
Ephesians 1:20 Which he wrought in Christ, when he raised him from the dead, and set him at his own right hand in the heavenly places, 21 Far above all principality, and power, and might, and dominion, and every name that is named, not only in this world, but also in that which is to come: 22 And hath put all things under his feet, and gave him to be the head over all things to the church,
Phil 2:8 And being found in fashion as a man, he humbled himself, and became obedient unto death, even the death of the cross. 9 Wherefore God also hath highly exalted him, and given him a name which is above every name: 10 That at the name of Jesus every knee should bow, of things in heaven, and things in earth, and things under the earth; 11 And that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.