Jer 30:9, Ezk 34:23, Isa 2:2-3, Mic 4:1-2, Acts 15:16-18

The Old Testament tells us that the people of Israel will spend many days without a king and without a priest, then find God and Christ and return to God in the last days. (Ho 3:4-5, Jer 30:9, Eze 34:23, Isa 2:2-3, Mic 4:1-2)

Ho 3:4 For the children of Israel shall abide many days without a king, and without a prince, and without a sacrifice, and without an image, and without an ephod, and without teraphim: 5 Afterward shall the children of Israel return, and seek the Lord their God, and David their king; and shall fear the Lord and his goodness in the latter days.

Jer 30:9 But they shall serve the Lord their God, and David their king, whom I will raise up unto them.

Eze 34:23 And I will set up one shepherd over them, and he shall feed them, even my servant David; he shall feed them, and he shall be their shepherd.

Isa 2:2 And it shall come to pass in the last days, that the mountain of the Lord's house shall be established in the top of the mountains, and shall be exalted above the hills; and all nations shall flow unto it. 3 And many people shall go and say, Come ye, and let us go up to the mountain of the Lord, to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for out of Zion shall go forth the law, and the word of the Lord from Jerusalem.

Mic 4:1 But in the last days it shall come to pass, that the mountain of the house of the Lord shall be established in the top of the mountains, and it shall be exalted above the hills; and people shall flow unto it. 2 And many nations shall come, and say, Come, and let us go up to the mountain of the Lord, and to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for the law shall go forth of Zion, and the word of the Lord from Jerusalem.

According to the prophecy of the Old Testament, the remnant of Israel and the Gentiles came to the grace of God by believing in Jesus as the Christ. (Acts 15:16-18)

Acts 15:16 After this I will return, and will build again the tabernacle of David, which is fallen down; and I will build again the ruins thereof, and I will set it up: 17 That the residue of men might seek after the Lord, and all the Gentiles, upon whom my name is called, saith the Lord, who doeth all these things. 18 Known unto God are all his works from the beginning of the world.