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....
• 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....
• 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
• All real programs contain errors until proved otherwise, which is impossible. -- Tom Gibb
• Any errors in spelling, tact or fact are transmission errors.
• IX. Undetectable errors are infinite in variety, in contrast to detectable errors, which by definition are limited.
  -- Laws of Computer Programming...