Related:

• A really busy person never knows how much he weighs. -- Edgar Watson Howe
• A truly wise person knows that he knows not.
• No woman ever falls in love with a man unless she has a better opinion of him than he deserves.
  --Ed Howe...
• The person who knows how to laugh at himself will never cease to be amused. -- Shirley Maclaine
• None of our men are "experts." We have most unfortunately found it necessary to get rid of a man as soon as he thinks himself an expert -- because no one ever considers himself expert if he really knows his job.
  A man who knows a job sees so much more to be done than he has done, that he is always pressing forward and never gives up an instant of thought to how good and how efficient he is....
• None of our men are "experts." We have most unfortunately found it necessary to get rid of a man as soon as he thinks himself an expert -- because no one ever considers himself expert if he really knows his job.
  A man who knows a job sees so much more to be done than he has done, that he is always pressing forward and never gives up an instant of thought to how good and how efficient he is....
• The semi-conscious mind is a tricky thing. A man never knows just how much is real or how much is imagination.
  -- McCoy, "Obsession," stardate 3620.7....
• How come wrong numbers are never busy?