Οἱ μαθηταί, ὅταν τὸν εἶδαν νὰ περπατῇ ἐπάνω εἰς τὴν θάλασσαν, ἐταράχθηκαν καὶ ἔλεγαν ὅτι εἶναι φάντασμα καὶ ἀπὸ τὸν φόβον τους ἐφώναξαν.