Related:

• Nobody is more dangerous than he who imagines himself pure in hea
  for his purity, by definition, is unassailable. -- James Baldwin, "Nobody Knows My Name" 1961...
• A censor is a man who knows more than he thinks you ought to. -- Granville Hicks (1901-1982)
• Be careful what you set your heart upon - for it will surely be yours.
  -- James Baldwin, "Nobody Knows My Name" 1961...
• Be careful what you set your heart on -- for it will surely be yours.
  -- James Baldwin, "Nobody Knows My Name...
• The only thing worse than an expert is someone who thinks he's an expert.
• It's hard to argue with someone who knows what he's talking about.
• A friend is someone who knows all about you and still loves you.
• An expert is one who knows more and more about less and less until he knows absolutely nothing about everything.
• An expert is one who knows more and more about less and less until he knows absolutely everything about nothing.