Treasury of Scripture Knowledge
As for the likeness of the living creatures, their appearance was like burning coals of fire, and like the appearance of lamps: it went up and down among the living creatures; and the fire was bright, and out of the fire went forth lightning.
And their feet were straight feet, and the sole of their feet was like the sole of a calf's foot, and they sparkled like burnished brass.
And it came to pass, that, when the sun went down, and it was dark, behold, a smoking furnace, and a flaming torch that passed between these pieces.
who makes his [heavenly] agents spirits, his ministers a flame of fire,
I lifted up my eyes, and looked. And, behold, a man clothed in linen, whose loins were girded with pure gold of Uphaz.
And his appearance was as lightning and his clothing white as snow.
And out of the throne proceeds lightnings and voices and thunders. And seven lamps of fire burned before his throne, which are the seven Spirits of God.
And I saw a mighty agent coming down out of heaven, clothed with a cloud, and the rainbow was upon his head, and his face was like the sun, and his feet like pillars of fire,
And after these things I saw another agent coming down out of heaven having great authority, and the earth was illuminated from his glory.