Matthew 14:26 KJV
And when the disciples saw him walking on the sea, they were troubled, saying, It is a spirit; and they cried out for fear.
Matthew 14:26, King James Version
In context
25 And in the fourth watch of the night Jesus went unto them, walking on the sea.
26 And when the disciples saw him walking on the sea, they were troubled, saying, It is a spirit; and they cried out for fear.
27 But straightway Jesus spake unto them, saying, Be of good cheer; it is I; be not afraid.