Malachi 3:7-8

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

8“Will a man rob God? Yet you are robbing Me! But you say, ‘In what way have we robbed You?’ In tithes and offerings [you have withheld].