Mark 9:42

9:42 Whoever will cause one of these little ones who believe in me to stumble, it would be better for him if he was thrown into the sea with a millstone hung around his neck.
-World English Bible

Other Translation

9:42 And whosoever shall offend one of [these] little ones that believe in me, it is better for him that a millstone were hanged about his neck, and he were cast into the sea.
-King James Version