Saying, 'When will the new moon be gone, that we may sell grain? And the Sabbath, that we may market wheat, Making the ephah small, and the shekel large, And dealing falsely with balances of deceit;
Merchandising was their priority, not worshipping. Profit was their god, and they willingly sacrificed more important things for it. People who focus intently on what they will do after worship is over do not engage in true worship or enter into the spirit of worship. [Note: Wolff, p. 326.] 