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• There are two kinds of men who never amount to much
  hose who cannot do what they are told, and those who can do nothing else. -- Cyrus Curti...
• There are 3 kinds of people: those who can count & those who can't.
• There are three types of people in this world: those who can count, and those who cannot.
  -- Carl G. Hostnik...
• H. L. Mencken's Law Those who can -- do. Those who cannot -- teach.
  Those who cannot teach -- administrate. (Martin's extension)...
• H. L. Mencken's Law: Those who can -- do. Those who can't -- teach.
  Martin's Extension: Those who cannot teach -- administrate....
• Those who can, do. Those who can't, teach. -- H. L.
  Mencken's Law Those who cannot teach -- administrate. -- Martin's Extensio...
• Those who can, do. Those that can't criticize.