Mysterious Card

(This has been called one of the two most famous riddle stories of all time, along with "The Lady, or the Tiger?" by Frank Stockton.)

Burwell, a New Yorker in Paris, during intermission at the Folies Bergere, is inconspicuously given a card by a charming, elegant lady passing by his table with a gentleman. The card bore some French words written in purple ink. Not knowing that language, he was unab...