Malachi 3:7-8

7“From the 1days of your fathers you have turned away from My statutes and have not kept them. 2Return to Me, and I will return to you,” says the Lord of armies. “But you say, ‘How shall we return?’

8“Would anyone rob God? Yet you are robbing Me! But you say, ‘How have we robbed You?’ In 3tithes and 4offerings.