Malachi 1:2; Malachi 1:6-7
God said, "I love you." You replied, "Really? How have you loved us?"
"Isn't it true that a son honors his father and a worker his master? So if I'm your Father, where's the honor? If I'm your Master, where's the respect?" God-of-the-Angel-Armies is calling you on the carpet: "You priests despise me! "You say, 'Not so! How do we despise you?' "By your shoddy, sloppy, defiling worship. "You ask, 'What do you mean, "defiling"? What's defiling about it?'
"When you say, 'The altar of God is not important anymore; worship of God is no longer a priority,' that's defiling.