Here are the last two lines from a post by John Piper:
The physical suffering of this age is God’s warning: This is how horrible and outrageous sin is. Flee it while there is time. Turn to Christ for forgiveness.
The physical suffering of eternity is God’s judgment: This is how horrible and outrageous sin was. Now there is no fleeing. It is too late.
Go here to read the article and find out the context: http://www.desiringgod.org/Blog/2065_why_was_zedekiah_roasted_in_the_fire/