Related:

• He who knows not and knows that he knows not is ignorant.
  Teach him. He who knows not and knows not that he knows not is a fool....
• The person who knows how will always have a job, but the person who knows why will be the boss.
  -- Carl Wood...
• You are the only person in this building who knows what he's doing.
  .. -- Toilet graffiti in government building...
• A critic is a person who knows the way but can't drive the car.
• The most welcome person is the one who knows when to go.
• In any organization there will always be one person who knows what is going on.
  This person must be fired. -- Conway's Law...
• In any organization there will always be one person who knows what is going on.
  This person must be fired....
• Conway's Law: In any organization there will always be one person who knows what is going o
  eventually this person will be fired....