'Downfall' in the Bible

“But whoever causes the downfall of one of these little ones who believe in Me—it would be better for him if a heavy millstone were hung around his neck and he were thrown into the sea.

And if your hand causes your downfall, cut it off. It is better for you to enter life maimed than to have two hands and go to hell—the unquenchable fire,

And if your foot causes your downfall, cut it off. It is better for you to enter life lame than to have two feet and be thrown into hell— [the unquenchable fire,

And if your eye causes your downfall, gouge it out. It is better for you to enter the kingdom of God with one eye than to have two eyes and be thrown into hell,