But I say to you, Do not take an oath at all, either by heaven, for it is the throne of God, or by the earth, for it is his footstool, or by Jerusalem, for it is the city of the great King. (Matt 5:34-35)

Like the resurrection, the judgment, and Gehenna, the future glorification of Jerusalem and the messianic kingdom which will rule from there was simply assumed by Jesus and the apostles. - John P. Harrigan