Matthew 14:25 Meaning

23And when he had sent the multitudes away, he went up into a mountain apart to pray: and when the evening was come, he was there alone.

24But the ship was now in the midst of the sea, tossed with waves: for the wind was contrary.

25And in the fourth watch of the night Jesus went unto them, walking on the sea.

26And when the disciples saw him walking on the sea, they were troubled, saying, It is a spirit; and they cried out for fear.

27But straightway Jesus spake unto them, saying, Be of good cheer; it is I; be not afraid.