[xentronium]

It frightens me how my future replacement is probably going to think "gee, that guy was horrible" unless he knows all the historic context and reasons why the code was written the way it was written.

[olalonde]

> unless he knows all the historic context and reasons

That's what comments are for :) It's not only about your future replacement, it's also about your future self.

[collyw]

That's the same reason I try to keep my code clean, and comment liberally.