2 Corinthians 4:18
"While we look not at the things which are seen, but at the things which are not seen: for the things which are seen are temporal; but the things which are not seen are eternal."
Cross References (ranked by relevance)
(For we walk by faith, not by sight:)
Now faith is the substance of things hoped for, the evidence of things not seen.
These all died in faith, not having received the promises, but having seen them afar off, and were persuaded of them, and embraced them, and confessed that they were strangers and pilgrims on the earth.
And these shall go away into everlasting punishment: but the righteous into life eternal.
Now our Lord Jesus Christ himself, and God, even our Father, which hath loved us, and hath given us everlasting consolation and good hope through grace,