Where their worm dieth not, and the fire is not quenched.
Berean Study Bible (BSB) - Mark 9:48 >where ‘their worm never dies, and the fire is never quenched.’
Textus Receptus (TR) - Mark 9:48 >ὅπου ὁ σκώληξ αὐτῶν οὐ τελευτᾷ, καὶ τὸ πῦρ οὐ σβέννυται.