Deuteronomy 29:24 (KJV)

So that the generation to come of your children that shall rise up after you, and the stranger that shall come from a far land, shall say, when they see the plagues of that land, and the sicknesses which the Lord hath laid upon it;

And that the whole land thereof is brimstone, and salt, and burning, that it is not sown, nor beareth, nor any grass groweth therein, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the Lord overthrew in his anger, and in his wrath:

Even all nations shall say, Wherefore hath the Lord done thus unto this land? what meaneth the heat of this great anger?

Then men shall say, Because they have forsaken the covenant of the Lord God of their fathers, which he made with them when he brought them forth out of the land of Egypt:

For they went and served other gods, and worshipped them, gods whom they knew not, and whom he had not given unto them: