Deuteronomy 29:27

Even all the nations will say, “Why has the LORD done this to this land? What does the heat of this great anger mean?”

Then men will say, “Because they abandoned the covenant of the LORD, the God of their fathers, which he made with them when he brought them out of the land of Egypt,

and went and served other gods and worshiped them, gods that they didn’t know and that he had not given to them.

The LORD rooted them out of their land in anger, in wrath, and in great indignation, and thrust them into another land, as it is today.”

The secret things belong to the LORD our God; but the things that are revealed belong to us and to our children forever, that we may do all the words of this law.