Mark 4:37-40

And there ariseth a great storm of wind, and the waves beat into the boat, insomuch that the boat was now filling. And he himself was in the stern, asleep on the cushion: and they awake him, and say unto him, Teacher, carest thou not that we perish? And he awoke, and rebuked the wind, and said unto the sea, Peace, be still. And the wind ceased, and there was a great calm. And he said unto them, Why are ye fearful? have ye not yet faith?