Related:

• Remember, there are two kinds of ships ... submarines, and targets.
• There are two kinds of people in the world, those who believe there are two kinds of people in the world and those who don't.
  -- Benchley's Law of Distinctio...
• 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.)...
• 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 who can get any job they want, and white males.
  -- Chris Pirillo (chris@lockergnome.com)...
• Two kinds of trouble in this world - living\dying.
• There are many kinds of people in the world. Are you one of them?
• In this world, my friend, there are two kinds of people
  hose with loaded guns and those who dig. You dig....
• Two Kinds Of People I Can't Stand: You, And Everyone Else.