“Whoever causes one of these little ones who believe (in me) to sin, it would be better for him if a great millstone were put around his neck and he were thrown into the sea. If your hand causes you to sin, cut it off. It is better for you to enter into life maimed than with two hands to go into Gehenna,
10 into the unquenchable fire.”
Luke 17:1-2
“He said to his disciples, "Things that cause sin will inevitably occur, but woe to the person through whom they occur. It would be better for him if a millstone were put around his neck and he be thrown into the sea than for him to cause one of these little ones to sin.”