Related:

• There are two kinds of people in this world: those who can get any job they want, and white males.
  -- Chris Pirillo (chris@lockergnome.com)...
• There may be said to be two classes of people in the world
  hose who constantly divide the people of the world into two classes and those who do not....
• In this world, my friend, there are two kinds of people
  hose with loaded guns and those who dig. You dig....
• There are two kinds of people in the world: Those we love, and those we don't understand.
• There are two kinds of people in this world: Those that want to BE something, and those that want to DO something.
  (There is less competition in the second category.)...
• The world has two kinds of people: Friends and Targets.
• There are only two kinds of people who fail: those who listen to nobody.
  .. and those who listen to everybody. -- Bershere's Formula for Failure...
• Bershere's Formula for Failure: There are only two kinds of people who fail
  hose who listen to nobody... and those who listen to everybody....
• There are two kinds of people, those who finish what they start and so on. -- Robert Byrne