If I was looking for nits to pick, I could greater nit than this.
How many nits could a nit picker pick, if a nit picker could pick nits?
America is only a subset of humanity.
I originally read that as "America is a set of subhumanity", which seemed a bit harsh.
At the source of every error which is blamed on the computer you will find at least two human errors, including the error of blaming it on the computer.