From to the end of chapter 5, "four striking works follow each other without a break". These accounts of miracles raise the stakes over miracles which have been reported before. Mark probably intends to demonstrate the greatness of Jesus' authority (εξουσíα, "exousia"). Chapter 4 ends with an account of Jesus calming the storm at sea. He is sleeping while crossing the lake in a boat with his disciples. Mark notes that they left a large crowd, that they took Him "just as He was", and that other boats were with Him. A storm comes up and they frantically wake him: