ἔστι γὰρ ὁ φίλος ἄλλος αὐτός → a friend, you see, is another self
μυχόνδε, εἰς βάθος, ἐκ βάθεος, ἐν βάθει, ἐπὶ βάθος, κατὰ βάθους, βένθοσδε