Also in front of the throne there was what looked like a sea of glass, clear as crystal. Surrounding the throne on each of its sides, were four living creatures covered with eyes in front and behind.

I heard what sounded like a voice coming from among the four living creatures, which said, "A quart of wheat for a day's wages, and three quarts of barley for a day's wages. But do not damage the olive trees and the vineyards!"