'Own Possession' in the Bible

For you are a holy people to the LORD your God: The LORD your God has chosen you to be a people for his own possession, above all peoples who are on the face of the earth.

For you are a holy people to the LORD your God, and the LORD has chosen you to be a people for his own possession, above all peoples who are on the face of the earth.

and the LORD has declared you this day to be a people for his own possession, as he has promised you, and that you should keep all his commandments;