"Confessions of a Terrible Programmer": http://kickin-the-darkness.blogspot.com/2007/09/confessions-of-terrible-programmer.html
I struggle trying to achieve the egoless-ness that Marc has exhibited, though I shall strive for this more and more every day.
Thoroughness is my (our?) stumbling block. I am blown away by the descriptions in the comments of some other Great Programmers. (Search on the term "rigor" to be amazed yourself…)