Related:

• The road to excess leads to the palace of wisdom...
  for we never know what is enough until we know what is more than enough....
• You never know what you know!
• Worker's Dilemma: 1. No matter how much you do, you'll never do enough.
  2. What you don't do is always more important than what you do do....
• You never know what you can do without until you try. -- Franklin Adam
• Do you know that doing your best is not good enough?
  First you must know what to do. -- manufacturing-quality theorist W. Edwards Deming...
• You know, it's not the world that was my oppressor, because what the world does to you, if the world does it to you long enough and effectively enough, you begin to do to yourself.
  -- James Baldwi...
• If you are smart enough to know that you're not smart enough to be an Engineer, then you're in Business.
• You don't know what love is until you are in love -- Chung S Kha