Jeremiah Chapter 16, Verse 21

21: 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.- edit KJV text
21: Therefore behold I will this once cause them to know, I will shew them my hand and my power: and they shall know that my name is the Lord.— edit Douay text
21: Therefore, behold, I will at this time manifest my hand to them, and will make known to them my power; and they shall know that my name is the Lord.— edit LXX text