Ezekiel 48:14

They must not sell or exchange any of it, and they must not transfer this choice part of the land, for it is holy to the Lord.

Leviticus 27:28

“Nothing that a man permanently sets apart to the Lord from all he owns, whether a person, an animal, or his inherited landholding, can be sold or redeemed; everything set apart is especially holy to the Lord.

Exodus 22:29

“You must not hold back offerings from your harvest or your vats. Give Me the firstborn of your sons.

Leviticus 23:20

The priest will wave the lambs with the bread of firstfruits as a presentation offering before the Lord; the bread and the two lambs will be holy to the Lord for the priest.

Leviticus 25:34

The open pastureland around their cities may not be sold, for it is their permanent possession.

Leviticus 27:9-10

“If the vow involves one of the animals that may be brought as an offering to the Lord, any of these he gives to the Lord will be holy.

Leviticus 27:32-33

Every tenth animal from the herd or flock, which passes under the shepherd’s rod, will be holy to the Lord.

Ezekiel 48:12

It will be a special donation for them out of the holy donation of the land, a most holy place adjacent to the territory of the Levites.

Malachi 3:8-10

“Will a man rob God? Yet you are robbing Me!”

You ask: “How do we rob You?”

“By not making the payments of the tenth and the contributions.

Treasury of Scripture Knowledge

Summary

And they shall not sell of it, neither exchange, nor alienate the firstfruits of the land: for it is holy unto the LORD.

Bible References

They shall

Exodus 22:29
“You must not hold back offerings from your harvest or your vats. Give Me the firstborn of your sons.
Leviticus 27:10
He may not replace it or make a substitution for it, either good for bad, or bad for good. But if he does substitute one animal for another, both that animal and its substitute will be holy.

For

Ezekiel 48:12
It will be a special donation for them out of the holy donation of the land, a most holy place adjacent to the territory of the Levites.
Leviticus 23:20
The priest will wave the lambs with the bread of firstfruits as a presentation offering before the Lord; the bread and the two lambs will be holy to the Lord for the priest.
Leviticus 27:9
“If the vow involves one of the animals that may be brought as an offering to the Lord, any of these he gives to the Lord will be holy.
Malachi 3:8
“Will a man rob God? Yet you are robbing Me!”

You ask: “How do we rob You?”

“By not making the payments of the tenth and the contributions.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.