[Rich seems to have a tendency to call himself, what he does, or what he believes stupid. Aziraphale is hardly a psychologist, if anything he's the furthest away thing Rich's got to one since he isn't even human. But still, that can't be healthy, can it?]

My boy, we can't outrun the past. Believe me, I've tried. Something I did 6000 years ago came back to bite me in the bum recently. [How did War end up with his flaming sword? We just don't know.]

All you and I can do is learn from it. It'd be quite silly to keep bumping into the same wall, wouldn't it? So we have to try different ways to deal with the problem.