Jeremiah 4:2

2 and if in a truthful, just and righteous way you swear, ‘As surely as the LORD lives,’ then the nations will invoke blessings by him and in him they will boast.”

Read Jeremiah 4:2 Using Other Translations

And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.
and if you swear, 'As the LORD lives,' in truth, in justice, and in righteousness, then nations shall bless themselves in him, and in him shall they glory."
Then when you swear by my name, saying, ‘As surely as the LORD lives,’ you could do so with truth, justice, and righteousness. Then you would be a blessing to the nations of the world, and all people would come and praise my name.”