Matthew 18:6

6WhoeverὋςthenδ’ἂνshall cause to stumbleσκανδαλίσῃoneἕναof theτῶνlittle onesμικρῶνof theseτούτωντῶνbelievingπιστευόντωνinεἰςMeἐμέ,it is betterσυμφέρειfor himαὐτῷthatἵναshould be hungκρεμασθῇa millstoneμύλοςheavyὀνικὸςonεἰςtheτὸνneckτράχηλονof himαὐτοῦandκαὶhe be sunkκαταποντισθῇinἐνtheτῷdepthπελάγειof theτῆςseaθαλάσσης.

And whoever might cause to stumble one of these little ones believing in Me, it is better for him that a heavy millstone should be hung around his neck and he should be sunk in the depth of the sea.