“ Diaz is a profound believer in the "Science of the Higher Life," otherwise known as "Christian Science," and has tested its efficiency in healing and its power for spiritual good, and has written several pamphlets on the subject. Her latest work has been courses of talks on the questions of the day, including the ethics of nationalism, Christian socialism, progressive morality, life, or what is it to live? character work in homes and schools, human nature, competition, and another pamphlet of hers containing a series of papers on arbitration, first published in the "Independent." ”

“ The paper was entitled "The Development of Character in Schools," since published in the "Arena." She helped to organize the present Woman's Educational and Industrial Union of Boston. An important work of that association has been the impetus given to the legal protection of helpless women and girls from employers and advertisers who refuse to pay honestly earned wages, or by seductive printed promises wile from their victims money and hours of work, for which they elude payment by trickery. ”