Related:

• Important letters which contain no errors will develop errors in the mail.
  Corresponding errors will show up in the duplicate while the Boss is reading it....
• Important letters which contain no errors will develop errors in the mail.
  Corresponding errors will show up in the duplicate while the Boss is reading it....
• Important letters which contain no errors will develop errors in the mail.
  Corresponding errors will show up in the duplicate while the Boss is reading it....
• A column about errors will contain errors. -- Bill Gold
• Weinberg's Corollary An expert is a person who avoids the small errors while sweeping on to the grand fallacy.
• Some errors will always go unnoticed until the book is in print.
  Block's Corollary: The first page the author turns to upon receiving an advance copy will be the page containing the worst erorr....
• Mayne's Law: Nobody notices the big errors.