2 Samuel 14:11

11 She said, “Then let the king invoke the LORD his God to prevent the avenger of blood from adding to the destruction, so that my son will not be destroyed.” “As surely as the LORD lives,” he said, “not one hair of your son’s head will fall to the ground.”

Read 2 Samuel 14:11 Using Other Translations

Then said she, I pray thee, let the king remember the LORD thy God, that thou wouldest not suffer the revengers of blood to destroy any more, lest they destroy my son. And he said, As the LORD liveth, there shall not one hair of thy son fall to the earth.
Then she said, "Please let the king invoke the LORD your God, that the avenger of blood kill no more, and my son be not destroyed." He said, "As the LORD lives, not one hair of your son shall fall to the ground."
Then she said, “Please swear to me by the LORD your God that you won’t let anyone take vengeance against my son. I want no more bloodshed.” “As surely as the LORD lives,” he replied, “not a hair on your son’s head will be disturbed!”