Mark 9:42

42AndΚαὶwhoeverὃςἂνmight cause to stumbleσκανδαλίσῃoneἕναof theτῶνlittle onesμικρῶνtheseτούτωντῶνbelievingπιστευόντωνinεἰςmeἐμέ,betterκαλόνit isἐστινfor himαὐτῷratherμᾶλλονifεἰis putπερίκειταιa millstoneμύλοςheavyὀνικὸςaroundπερὶtheτὸνneckτράχηλονof himαὐτοῦandκαὶhe has been castβέβληταιintoεἰςtheτὴνseaθάλασσαν.

And whoever might cause to stumble one of these little ones believing in Me, it is better for him rather if a heavy millstone is put around his neck and he has been cast into the sea.