Hebrews 12:22

Origen Against Celsus Book VII "Ye are come," says he, "unto Mount Sion, and unto the city of the living God, the heavenly Jerusalem, and to an innumerable company of angels."[59]

Origen Against Celsus Book VIII

But indeed they do in a sense separate themselves and stand aloof from those who are aliens from the commonwealth of God and strangers to His covenants, in order that they may live as citizens of heaven, "coming to the living God, and to the city of God, the heavenly Jerusalem, and to an innumerable company of angels, to the general assembly and Church of the first-born, which are written in heaven."[14]

Origen Commentary on Matthew Book XII

but made clear by the Spirit of the living God, and might be killed in the Jerusalem below, and having risen from the dead might reign in Mount Zion, and the city of the living God-the heavenly Jerusalem.[139]