Ezekiel 32:15 in the King James Version
When I shall make the land of Egypt desolate, and the country shall be destitute of that whereof it was full, when I shall smite all them that dwell therein, then shall they know that I am the LORD.
Context
14 Then I will make their waters clear, and cause their rivers to run like oil,” says the Lord GOD.
15 “When I make the land of Egypt desolate and waste, a land destitute of that of which it was full, when I strike all those who dwell therein, then they will know that I am the LORD.
16 “‘“This is the lamentation with which they will lament. The daughters of the nations will lament with this. They will lament with it over Egypt, and over all her multitude,” says the Lord GOD.’”