The Jews’ rigid tradition (not the Old Testament) taught that if anyone carried anything from a public place to a private place on the Sabbath intentionally, he deserved death by stoning. In this case the man who was healed was in danger of losing his life.
– E.A. Blum
 Blum, E. A. (1985). John. In J. F. Walvoord & R. B. Zuck (Eds.), The Bible Knowledge Commentary: An Exposition of the Scriptures (Vol. 2, p. 289). Wheaton, IL: Victor Books.