TSK · Numbers 18:21

And it shall come to pass in the increase, that ye shall give the fifth [part] unto Pharaoh, and four parts shall be your own, for seed of the field, and for your food, and for them of your households, and for food for your little ones.

And all the tithe of the land, [whether] of the seed of the land, [or] of the fruit of the tree, [is] the LORD'S: [it is] holy unto the LORD.

Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him.

And I, behold, I have taken your brethren the Levites from among the children of Israel: to you [they are] given [as] a gift for the LORD, to do the service of the tabernacle of the congregation.

Thou mayest not eat within thy gates the tithe of thy corn, or of thy wine, or of thy oil, or the firstlings of thy herds or of thy flock, nor any of thy vows which thou vowest, nor thy freewill offerings, or heave offering of thine hand:

And as soon as the commandment came abroad, the children of Israel brought in abundance the firstfruits of corn, wine, and oil, and honey, and of all the increase of the field; and the tithe of all [things] brought they in abundantly.

They clave to their brethren, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his judgments and his statutes;

And the priest the son of Aaron shall be with the Levites, when the Levites take tithes: and the Levites shall bring up the tithe of the tithes unto the house of our God, to the chambers, into the treasure house.

Then brought all Judah the tithe of the corn and the new wine and the oil unto the treasuries.

Let him that is taught in the word communicate unto him that teacheth in all good things.