1 Bible Verses about Balances, Metaphorical Use

And when he opened the third seal, I heard the third cherub say, Come. And I saw, and behold, a black horse, and he that sat on it had a pair of scales in his hand. And I heard a voice in the midst of the four cherubs, saying, A choenix [a quart] of wheat for a denarius [14 cents], and three choenices of barley for a denarius; and injure not the oil and wine.