Jeremiah 16:21 in the King James Version
Therefore, behold, I will this once cause them to know, I will cause them to know mine hand and my might; and they shall know that my name is The LORD.
Context
20 Should a man make to himself gods which yet are no gods?”
21 “Therefore behold, I will cause them to know, this once I will cause them to know my hand and my might. Then they will know that my name is the LORD.”