[jseifer]

As someone who has done some code reviews recently, I can tell you that my answer would definitely not be "My own." :)

[Periodic]

Get out, see the world, look at other peoples' code (particularly the stuff they don't release publicly), and I can guarantee you will be surprised at what people can make run.

I believe there is a saying that there will always be [code] better than [yours]. The opposite is also true: There is always code out there which is worse than yours.