2 Corinthians 4:18

Epistle of Ignatius to the Romans "For the things which are seen are temporal, but the things which are not seen are eternal."[21]

Clement of Alexandria The Instructor Book III

But us the Word enjoins "to look not on the things that are seen, but the things that are not seen; for the things that are seen are temporal, but the things that are not seen are eternal."[15]

Clement of Alexandria Who is the Rich Man that Shall Be Saved?

With such persecution, if you have worldly wealth, if you have brothers allied by blood and other pledges, abandon the whole wealth of these which leads to evil; procure peace for yourself, free yourself from protracted persecutions; turn from them to the Gospel; choose before all the Saviour and Advocate and Paraclete of your soul, the Prince of life. "For the things which are seen are temporary; but the things which are not seen are eternal."[32]

Origen de Principiis Book II

For we know that if our earthly house of this tabernacle were dissolved, we have a building of God, an house not made with hands, eternal in the heavens."[26]

Origen de Principiis Book III

Since, then, those things "which are seen are temporal, but those things which are not seen are eternal,"[412]

Origen Against Celsus Book VI " And yet, indeed, if we have regard to the words, "Looking not at the things which are seen, but at the things which are not seen; "[304]

Excerpts of Theodotus

and corporeal and external good things are temporary; "but the things which are unseen are eternal."[24]

Origen Commentary on Matthew Book XIII

For it hated us from the time when we no longer "look at the things which are seen, but at the things which are not seen,"[132]