Mark 6:49-52

When they all saw him walking on the waves, they thought he was a ghost and screamed out in terror. But he said to them at once, “Don’t yield to fear. Have courage. It’s really me—I Am!” Then he came closer and climbed into the boat with them, and immediately the stormy wind became still. They were completely and utterly overwhelmed with astonishment. Their doubting hearts had not grasped his authority and power over all things in spite of just having witnessed the miraculous feeding.