"The trouble with changing the world is ... you don't. Not all at once.
You just inch it forward, a bit at a time, and watch it slip back, like the Greek guy with the rock.
And you hope that when you're done, you've moved it up a little, changed it just enough. "
L A S T G L E A M I N G P A R T V, 8x40
Or, Buffy's Relationship With Redemption
( meta discussion under the cut )