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• The passions often engender their contraries. -- Francois Duc de la Rochefoucauld
• All the passions make us commit faults; love makes us commit the most ridiculous ones.
  -- Francois Duc de la Rochefoucauld...
• A man who is always satisfied with himself is seldom satisfied with others.
  -- Francois Duc de la Rochefoucauld...
• Our envy always lasts longer than the happiness of those we envy.
  -- Francois Duc de la Rochefoucauld...
• We always get bored with those whom we bore. -- Francois Duc de la Rochefoucauld
• Those only are despicable who fear to be despised. -- Francois Duc de la Rochefoucauld
• Weakness of character is the only defect which cannot be amended.
  -- Francois Duc de la Rochefoucauld...
• Self-love is the greatest of flatterers. -- Francois Duc de la Rochefoucauld
• The most certain sign of being born with great qualities is to be born without envy.
  -- Francois Duc de la Rochefoucauld...