Related:

• Nobody notices the big errors. -- Mayes Law.
• Nobody notices when things go right. -- Zimmerman's Law of Complai
• Zimmerman's Law of Complaints: Nobody notices when things go right.
• Nobody notices when things go right, I'm always noticed.
• When money talks, nobody notices what grammar it uses.
• Doing a good job is like wetting your pants in a dark suit.
  .. You get a warm feeling, but nobody notices....
• First Law of Office Murphology: Important letters that contain no errors will develop errors in the mail.
  Corollary: Corresponding errors will show up in the duplicate while the Boss is reading it....