Luke 1:33

he will reign over the house of Jacob forever, and to his reign there will be no end."

John 12:34

So the people answered, "We have learned from the Law that the Christ is to remain for ever; what do you mean by saying that the Son of man must be lifted up? Who is this Son of man?"

Treasury of Scripture Knowledge

Summary

His seed shall endure for ever, and his throne as the sun before me.

And

Bible References

And

Luke 1:33
he will reign over the house of Jacob forever, and to his reign there will be no end."