Following are a number of back-translations of Mark 9:48:

• Uma: “There people will be continually eaten by worms and tortured in fire.” (Source: Uma Back Translation)
• Yakan: “There God will punish people, there will be no resting (from it) and of the suffering/enduring there will be no end.'” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “As for the maggots there, they have no death, and the fire cannot be put out.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “Because in hell, the worms that are eating their bodies never die and the fire, it is never-extinguished.” (Source: Kankanaey Back Translation)
• Tagbanwa: “Because their hardship there really is without ending, for as for the grubs/worms which eat them, they never die, and well as-was-said, the fire never dies down.” (Source: Tagbanwa Back Translation)

For the Old Testament quote, see Isaiah 66:24.