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• Remember happiness doesn't depend upon who you are or what you have
  it depends on what you think. -- Dale Carnegie...
• Happiness is no laughing matter.
• In civilized life, where the happiness, and indeed almost the existence, of man depends so much upon the opinion of his fellow men, he is constantly acting a studied part.
  -- Washington Irving...
• Your nature demands love and your happiness depends on it.
• All happiness depends on a leisurely breakfast. -- John Gunthe
• Cheshire-Puss," she began, "would you tell me, please, which way I ought to go from here?
  "That depends a good deal on where you want to get to," said the Cat....
• The city of happiness is in the state of mind.