By sight (δια ειδους). Rather, by appearance.

For we walk. To walk, in the Scriptures, often means to live, to act, or to conduct oneself in a certain way (Romans 6:4).

For we walk by faith, not by sight—Better, and not by what we see (or, by appearance).

It seems …

Knowing that, whilst we are at home in the body, we are absent from the Lord: (for we walk by faith, not by sight:) we are confident, I say, an…

With the assured hope of receiving a glorified body (v.1) and with the pledge of his transformation in the presence and activity of the Spirit with…

For we walk by faith (Εἰδος). I have here rendered aspectum, (sight,) because few understood the meaning of the word