> A moat is the trench around the outside of a castle that is often, but not always filled with s/water/alligators/. Joking aside, that's a great way to descri

> A moat is the trench around the outside of a castle that is often, but not always filled with s/water/alligators/. Joking aside, that's a great way to describe the do-hard-things concept. I think the gp was more asking if that was a metaphor derived from some pg (or whoever) blog post.