rue de la Chaussée-d'Antin
...that Honoré de Balzac once observed that "the heart of Paris today beats between rue de la Chaussée-d'Antin and rue du Faubourg Montmartre"?
...that <a href="./Honoré_de_Balzac" id="mwC5s" rel="mw:WikiLink" title="Honoré de Balzac">Honoré de Balzac</a> once observed that "the heart of <a href="./Paris" id="mwC5w" rel="mw:WikiLink" title="Paris">Paris</a> today beats between <b id="mwC50"><a href="./Rue_de_la_Chaussée-d'Antin" id="mwC54" rel="mw:WikiLink" title="Rue de la Chaussée-d'Antin">rue de la Chaussée-d'Antin</a></b> and rue du Faubourg <a href="./Montmartre" id="mwC58" rel="mw:WikiLink" title="Montmartre">Montmartre</a>"?