Psalm 104:4

So He drove the man out; and at the east of the garden of Eden He stationed the cherubim and the flaming sword which turned every direction to guard the way to the tree of life.

Bless Yahweh, all you His hosts, You who serve Him, doing His will.

They stand this day according to Your judgments, For all things are Your slaves.

The One who sends forth His command to the earth; His word runs very swiftly,

As for the likeness of the living creatures, their appearance was like burning coals of fire, like the appearance of torches going back and forth among the living creatures. The fire was bright, and lightning was flashing from the fire.

And of the angels He says, “Who makes His angels winds, And His ministers flaming fire.”