28And Peter answered him and said, Lord, if it be thou, bid me come unto thee on the water.29And he said, Come. And when Peter was come down out of the ship, he walked on the water, to go to Jesus.30But when he saw the wind boisterous, he was afraid; and beginning to sink, he cried, saying, Lord, save me.31And immediately Jesus stretched forth his hand, and caught him, and said unto him, O thou of little faith, wherefore didst thou doubt?