Mark 9:48
where their worm does not die, and the fire is never quenched.
Isaiah 66:24
And they shall go forth and look upon the carcasses of the men that rebelled against me; for their worm shall not die, neither shall their fire be quenched; and they shall be an abhorring unto all flesh.
Matthew 25:41
Then he shall also say unto those who shall be on the left hand, Depart from me, ye cursed, into eternal fire, prepared for the devil and his angels;
Mark 9:43-45
And if thy hand causes thee to fall, cut it off; it is better for thee to enter into life maimed than having two hands to go into hell, into the fire that can never be quenched,