Origen on final consummation

From De Principiis, Book I, Chapter VI:

But since Paul says that certain things are visible and temporal, and others besides these invisible and eternal, we proceed to inquire how those things which are seen are temporal—whether because there will be nothing at all after them in all those periods of the coming world, in which that dispersion and separation from the one beginning is undergoing a process of restoration to one and the same end and likeness; or because, while the form of those things which are seen passes away, their essential nature is subject to no corruption. And Paul seems to confirm the latter view, when he says, “For the fashion of this world passeth away.” David also appears to assert the same in the words, “The heavens shall perish, but Thou shalt endure; and they all shall wax old as a garment, and Thou shalt change them like a vesture, and like a vestment they shall be changed.” For if the heavens are to be changed, assuredly that which is changed does not perish, and if the fashion of the world passes away, it is by no means an annihilation or destruction of their material substance that is shown to take place, but a kind of change of quality and transformation of appearance. Isaiah also, in declaring prophetically that there will be a new heaven and a new earth, undoubtedly suggests a similar view. For this renewal of heaven and earth, and this transmutation of the form of the present world, and this changing of the heavens will undoubtedly be prepared for those who are walking along that way which we have pointed out above, and are tending to that goal of happiness to which, it is said, even enemies themselves are to be subjected, and in which God is said to be “all and in all.” And if any one imagine that at the end material, i.e., bodily, nature will be entirely destroyed, he cannot in any respect meet my view, how beings so numerous and powerful are able to live and to exist without bodies, since it is an attribute of the divine nature alone—i.e., of the Father, Son, and Holy Spirit—to exist without any material substance, and without partaking in any degree of a bodily adjunct. Another, perhaps, may say that in the end every bodily substance will be so pure and refined as to be like the æther, and of a celestial purity and clearness. How things will be, however, is known with certainty to God alone, and to those who are His friends through Christ and the Holy Spirit.