"Bring ye all the tithes into the storehouse, that there may be meat in mine house, and
prove me now herewith, saith the LORD of hosts, if I will not open you the windows
of heaven, and pour you out a blessing, that there shall not be room enough to receive
it."  (Malachi 3:10)

"Will a man rob God? Yet ye have robbed me. But ye say, Wherein have we robbed
thee? In tithes and offerings." (Malachi 3:8)

"Honour the LORD with thy substance, and with the firstfruits of all thine increase"
(Proverbs 3:9)
Tithes & Offerings