'As the Lord Lives' in the Bible

David responded to Rechab and his brother Baanah, the sons of Rimmon the Beerothite: "As the LORD lives, who has saved my life in every adversity,

David flew into a rage at the man and told Nathan, "As the LORD lives, the man who did this deserves to die!

Then she said, "Your majesty, please remember the LORD your God, so that blood avengers don't do any more damage! Otherwise, they'll destroy my son!" So he promised, "As the LORD lives, not even a single hair from your son's head will fall to the ground!"

"As the LORD lives," Ittai answered in reply, "and as your majesty the king lives, wherever your majesty my king may be whether living or dying that's where your servant will be!"