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• Your life would be very empty if you had nothing to regret.
• Liberty lies in the hearts of men and women; when it dies there, no constitution, no law, no court can save it.
  ... While it lies there, it needs no constitution, no law, no court to save it....
• It cannot be seen, cannot be felt, Cannot be heard, cannot be smelt.
  It lies behind starts and under hills, And empty holes it fills....
• Arbitrary systems, pl.n.: Systems about which nothing general can be said, save "nothing general can be said.