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• Knowledge of divine things for the most part, as Heraclitus says, is lost to us by incredulity.
  -- Plutarch (46-120 AD) -- Life of Coriolanu...
• Books without the knowledge of life are useless. -- Samuel Johnso
• Self knowledge is best learned, not by contemplation, but action.
  Strive to do your duty and you will soon discover of what stuff you are made. -- Goethe...
• Knowledge is not what you can remember, but what you cannot forget.
• Knowledge is not what the pupil remembers but what he cannot forget.
• The great end of life is not knowledge, but action.
  What men need is as much knowledge as they can organize for actio...
• The knowledge that makes us cherish innocence makes innocence unattainable. -- Irving Howe
• Prais'd be the fathomless universe, for life and joy, and for objects and knowledge curious.
  -- Walt Whitma...