They did not see what he did to the Egyptian army, its horses and chariots, when he drowned them in the Red Sea as they were chasing you. The Lord ruined them forever.
They did not see what he did to Dathan and Abiram, the sons of Eliab the Reubenite, when the ground opened up and swallowed them, their families, their tents, and everyone who stood with them in Israel.