Exodus Chapter 37, Verse 8
From BibleWiki
8: One cherub on the end on this side, and another cherub on the
other end on that side: out of the mercy seat made he the
cherubims on the two ends thereof.
8: One cherub in the top of one side, and the other cherub in the top
of the other side: two cherubims at the two ends of the propitiatory,
8: and their posts twenty, and their sockets twenty;
Exodus Chapter 37, Verse 8/commentary

