Mark 9:48
where their worm never dies and the fire is never quenched.
Isaiah 66:24
"They will go out and observe the corpses of those who rebelled against me, for the maggots that eat them will not die, and the fire that consumes them will not die out. All people will find the sight abhorrent."
Matthew 25:41
"Then he will say to those on his left, 'Depart from me, you accursed, into the eternal fire that has been prepared for the devil and his angels!
Mark 9:43-45
If your hand causes you to sin, cut it off! It is better for you to enter into life crippled than to have two hands and go into hell, to the unquenchable fire.