Reuters quote of the day, September 18

London, Sep 17 (Reuters) Following is a notable quote from history: ''Laughter is wine for the soul -- laughter soft, or loud and deep, tinged through with seriousness ... the hilarious declaration made by man that life is worth living.'' -- Sean O'Casey, the Irish playwright whose works included ''Juno and the Paycock''. He died on Sept. 18, 1964.

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