famous last lines

io9 posted a list of their favourite last lines of SF novels, but mine wasn't there! It's from Solaris:

"I knew nothing, and I persisted in the faith that the time of cruel miracles was not past."

Good old Lem.  Guaranteed to be glum, in a beautiful way.

What's your favourite SF last line?  Do you have one?  If not, why not?  Rush to your shelf and pull out your favourite book and see why it left you with such an excellent aftertaste!