Make sure you never Rob God---Deteronomy 26 verses 12-14 , Malachi 3:6-12

Deteronomy 26 verses 12-14
" When thou hast made an end of tithing all the tithes of thine increase the third year, which is the years of tithing, and hast given it unto the levite, the stranger, the fatherless, and the widow, that they may eat within thy gates, and be filled; Then thou shall say before the Lord thy God, I have brought away the hallowed things out of my house, and also have given them unto the levite, and unto the stranger, to the fatherless, and to the widow, according to all thy commandments which thou hast commanded me: I have not transgressed thy commandments, neither have I forgotten them: I have not eaten thereof in my mourning, neither have I taken away ought thereof for any unclean use, nor given ought thereof for the dead: but I have hearkened to the voice of the LORD my God, and have done according to all that thou hast commanded me."

Malachi 3:6-12
"For I am the LORD, I change not; therefore ye sons of Jacob are not consumed. Even from the days of your fathers ye are gone away from mine ordinances, and have not kept them. Return unto me, and I will return unto you, saith the LORD of hosts. But ye said, Wherein shall we return? Will a man rob God? Yet ye have robbed me. But ye say, wherein have we robbed thee? In tithes and in offerings. Ye are cursed with a curse: for ye have robbed me, even this whole nation. Bring ye all the tithes into the storehouse, that there may be meat in my 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. And I will rebuke the devourer for your sakes, and he shall not destroy the fruits of your ground; neither shall your vine cast her fruit before the time in the field, saith the LORD of hosts. And all nations shall call you blessed: for ye shall be a delightsome land, saith the LORD of hosts."