Leviticus 25:23-24

25:23 The land shall not be sold for ever: for the land [is] mine; for ye [are] strangers and sojourners with me. 25:24 And in all the land of your possession ye shall grant a redemption for the land.

Leviticus 25:38

25:38 I [am] the LORD your God, which brought you forth out of the land of Egypt, to give you the land of Canaan, [and] to be your God.

Leviticus 25:42

25:42 For they [are] my servants, which I brought forth out of the land of Egypt: they shall not be sold as bondmen.