The Revelation 6:5-6

When the Lamb opened the third seal, I heard the third living creature saying, “Come!” And behold, I saw a black horse. The one riding on it held a balance scale in his hand. Then I heard something like a voice in the midst of the four living creatures saying, “A quart of wheat for a denarius, and three quarts of barley for a denarius—but do no harm to the oil and wine!”