Steve Dewitt, author of the Challies recommended, Eyes Wide Open, with some excellent thoughts on propitiation. He concludes:
Did you catch it? God propitiates his own wrath. Know anybody else like that? Will China pay off the US debt? Will any of the victims of Bernie Madoff personally pay his financial debts? When does the offended personally provide the means to take away his own offense? Only God. This is why he is love. Not that his love contradicts his wrath; his love provides the means to satisfy his own wrath and Jesus was that propitiation for our sins.
Read the whole thing here.
