6 Then Elijah said to him, “Stay here; the LORD has sent me to the Jordan.” And he replied, “As surely as the LORD lives and as you live, I will not leave you.” So the two of them walked on.

Read 2 Kings 2:6 Using Other Translations

And Elijah said unto him, Tarry, I pray thee, here; for the LORD hath sent me to Jordan. And he said, As the LORD liveth, and as thy soul liveth, I will not leave thee. And they two went on.
Then Elijah said to him, "Please stay here, for the LORD has sent me to the Jordan." But he said, "As the LORD lives, and as you yourself live, I will not leave you." So the two of them went on.
Then Elijah said to Elisha, “Stay here, for the LORD has told me to go to the Jordan River.” But again Elisha replied, “As surely as the LORD lives and you yourself live, I will never leave you.” So they went on together.