Revelation 4:6-8

and in front of the throne is what seemed to be a sea of glass, 'resembling crystal, while within the space before the throne and round the throne are four Creatures full of eyes' in front and behind.

Revelation 6:6

And I heard what seemed to be a voice, coming from among the four Creatures, crying--'A quart of wheat for a florin, and three quarts of barley for a florin! But do not harm the oil and the wine.'

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