One night when I couldn’t sleep, I mentioned to Michael that I was worried about the repercussions of my workings, the harmful magic I had dished out. I worried that it was going to come back to haunt me.
“I’m not a philosopher, Harry,” he said. “But here’s something for you to think about, at least. What goes around comes around. And sometimes you get what’s coming around.” He paused for a moment, frowning faintly, pursing his lips. “And sometimes you are what’s coming around. You see what I mean?”
Jim Butcher, The Dresden FIles: Grave Peril.