Mark 9:48
where the worm that feeds upon them never dies and the fire is never put out.
Matthew 25:41
"Then He will say to those at His left, 'Be gone from me, you who are now cursed, to the everlasting fire prepared for the devil and his angels.
Mark 9:43-45
If your hand makes you do wrong, cut it off. You might better go into life maimed than keep both your hands and go down to the pit, to the fire that is never put out.