Malachi 1:6-7

6“A son honors his father, and a slave his master. If I am a father, where is the honor due me? If I am a master, where is the respect due me?” says the Lord Almighty. “It is you priests who show contempt for my name. “But you ask, ‘How have we shown contempt for your name?’

7“By offering defiled food on my altar. “But you ask, ‘How have we defiled you?’ “By saying that the Lord’s table is contemptible.