Deuteronomy 11:6-8

New Revised Standard Version, Anglicised

⁶ and what he did to Dathan and Abiram, sons of Eliab son of Reuben, how in the midst of all Israel the earth opened its mouth and swallowed them up, along with their households, their tents, and every living being in their company; ⁷ for it is your own eyes that have seen every great deed that the Lord did.

⁸ Keep, then, this entire commandment that I am commanding you today, so that you may have strength to go in and occupy the land that you are crossing over to occupy,