Mark 9:42

9:42 “If anyone causes one of these little ones who believe in me to sin, it would be better for him to have a huge millstone tied around his neck and to be thrown into the sea.

Mark 14:21

14:21 For the Son of Man will go as it is written about him, but woe to that man by whom the Son of Man is betrayed! It would be better for him if he had never been born.”

Mark 14:49

14:49 Day after day I was with you, teaching in the temple courts, yet you did not arrest me. But this has happened so that the scriptures would be fulfilled.”