Revelation 4:6

and before the throne was as it were a sea of glass like crystal; and in the midst of the throne and about the throne were four living ones [cherubs] full of eyes before and behind.

Revelation 4:8

And the four cherubs had each six wings apiece. And they were full of eyes around and within, and they had no rest day nor night, saying, Holy, holy, holy is the Lord God Almighty the Was and the Is and the Is to come.

Treasury of Scripture Knowledge

Summary

And their whole body, and their backs, and their hands, and their wings, and the wheels, were full of eyes round about, even the wheels that they four had.

Bible References

Were

Revelation 4:6
and before the throne was as it were a sea of glass like crystal; and in the midst of the throne and about the throne were four living ones [cherubs] full of eyes before and behind.