Mark 6:48-51
6:48 He saw them straining at the oars, because the wind was against them. As the night was ending, he came to them walking on the sea, for he wanted to pass by them.
6:49 When they saw him walking on the water they thought he was a ghost. They cried out,
6:50 for they all saw him and were terrified. But immediately he spoke to them: “Have courage! It is I. Do not be afraid.”
6:51 Then he went up with them into the boat, and the wind ceased. They were completely astonished,