Mark 9:48
where their worm does not die and the fire does not go out.
Matthew 25:41
"Then will He say to those at His left, "'Begone from me, with the curse resting upon you, into the Fire of the Ages, which has been prepared for the Devil and his angels.
Mark 9:43-45
If your hand should cause you to sin, cut it off: it would be better for you to enter into Life maimed, than remain in possession of both your hands and go away into Gehenna, into the fire which cannot be put out.