'Unquenchable' in the Bible

And if thy hand may cause thee to stumble, cut it off; it is better for thee maimed to enter into the life, than having the two hands, to go away to the gehenna, to the fire -- the unquenchable --

And if thy foot may cause thee to stumble, cut it off; it is better for thee to enter into the life lame, than having the two feet to be cast to the gehenna, to the fire -- the unquenchable --