Another interesting (and truly scary bit) from John Piper:
Mark 9:47-49: "And if your eye causes you to sin, pluck it out. It is better for you to enter the kingdom of God with one eye than to have two eyes and be thrown into hell, where 'their worm does not die, and the fire is not quenched.' Everyone will be salted with fire."
People often respond that fire is just a metaphor.
But why do we use metaphors?
Because we lack adequate language to describe the reality.
Thus hell is at least as bad if not more so than fire for all of eternity.
And then Piper quoted C.S. Lewis which I will paraphrase as follows: "It is more important that one man be saved than that all the classics ever written were saved from destruction."
And you know Lewis has a much higher view of the classics than most anyone. :)