In this way you'll remember to keep all my commandments and you will be holy to your God. I am the Lord your God who led you out of Egypt to be your God.
Korah, son of Izhar, son of Kohath, son of Levi tried to take over leadership, along with Dathan and Abiram, sons of Eliab, and On, son of Peleth, who were from the tribe of Reuben.
But they're looking for a better country instead, a heavenly country. That is why God isn't disappointed with them, and is happy to be called their God, for he has built a city for them.