American Standard Version (ASV):
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.
King James Version (KJV):
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.