'As Your Soul Lives' in the Bible

Elijah said to Elisha, "Please wait here, for the LORD has sent me as far as Bethel." Elisha said, "As the LORD lives, and as your soul lives, I will not leave you." So they went down to Bethel.

Elijah said to him, "Elisha, please wait here, for the LORD has sent me to Jericho." He said, "As the LORD lives, and as your soul lives, I will not leave you." So they came to Jericho.

Elijah said to him, "Please wait here, for the LORD has sent me to the Jordan." He said, "As the LORD lives, and as your soul lives, I will not leave you." They both went on.

The mother of the child said, "As the LORD lives, and as your soul lives, I will not leave you." He arose, and followed her.