Each of the four living creatures had six wings and was covered with eyes all around, even under its wings. Day and night they never stop saying:

New International Version Each of the four living creatures had six wings and was covered with eyes all around, even under its wings.

Revelation 4:8 Each of the four living creatures had six wings and was covered with eyes all around, even under its wings. Day and night they never stop ...

The living creatures possess multiple eyes, emphasizing their guard duty. Also, they praise God day and night. They sing about God's holiness.

The four beasts had each of them six wings about him; and they were full of eyes within: and they rest not day and night, saying, Holy, holy, holy, Lord God ...

Revelation 4:8 — The New Revised Standard Version (NRSV). 8 And the four living creatures, each of them with six wings, are full of eyes all around and inside.

And the four living creatures, each of them with six wings, are full of eyes all around and within, and day and night they never cease to say, “Holy,

Day and night they never stop saying: “ 'Holy, holy, holy is the Lord God Almighty,' who was, and is, and is to come.”

CHAPTER 4 Vision of Heavenly Worship.* 1After this I had a vision of an open door* to heaven, and I heard the trumpetlike voice that had spoken to me before ...

In Revelation 4:8 we read, “Holy, holy, holy, is the Lord God Almighty.” The one with all power, all authority, and all might is holy.