> usually debugging is about looking at something on a simpler, lower level than implementation the lower you go, the less context you have about the author's

> usually debugging is about looking at something on a simpler, lower level than implementation the lower you go, the less context you have about the author's intent. with too-clever code it's easy to miss the forest for the trees. e.g. it usually works fine to fix spelling errors at word level, but less well to restructure complex sentances without larger context.