Related:

• Ano-fossal ambiguity (can't tell his ass from a hole in the ground).
• How many Contras -- does it take to change a light bulb?
  Only one, but he doesn't know where it came from....
• The average man, who does not know what to do with his life, wants another one which will last forever.
  -- Anatole France...
• So much one man can do, That does both act and know.
  -- Andrew Marvell (1620-1678) -- Upon Cromwell's return from Ireland...
• Bart: Hey, McBain, I'm a big fan, but your last movie really sucked.
  McBain: I know. There were script problems from day one....
• There is only one greater folly than that of the fool who says in his heart there is no God
  and that is the folly of the people that says with its head that it does not know whether there is a God or not....
• If there is any one proof of a man's incompetence, it is the stagnant mentality of a worker who
  doing some small routine job in a vast undertaking, does not care to look beyond the lever of a machine, does not choose to know how the machine got there or what makes his job possible, and proclaims that the management of the undertaking is parasitical and unneccessary....
• Mathematics contains much that will neither hurt one if one does not know it nor help one if one does know it.
  -- J.B. Mencke...
• A man who knows the world will not only make the most of everything he does know, but of many things that he does not know
  and will gain more credit by his adroit mode of hiding his ignorance than the pendant by his awkward attempt to exhibit his erudition....