Related:

• What man does not understand, he fears; and what he fears, he tends to destroy.
• He who says what he likes will hear what he does not like. English Proverb
• He who says what he likes, hears what he does not like. Spanish Proverb
• What is it that He who buys it does not use it He who makes it does not use it He who uses it, does not see or feel it?
  [A coffin]...
• A man is never astonished that he doesn't know what another does, but he is surprised at the gross ignorance of the other in not knowing what he does.
  -- Haliburto...
• He who can, does. He who cannot teaches. -- George Bernard Shaw (1856-1950)
• He who can, does. He who cannot, teaches. --George Bernard Shaw, Man and Superma
• What would you get if you crossed Dan Quayle with Richard Nixon?
  You would get a public official who does not know if he is a crook or not....
• He who cannot lie doesn't know what truth is. -- Friedrich Nietzsche