“ According to Ovid (Metam. iii. 356-401) , Echo by her incessant talking having prevented Juno from surprising Jupiter with the Nymphs, Juno changed her into an “echo”—a being who could not speak till she was spoken to, and then could only repeat the last words of the speaker. While in this condition she fell in love with Narcissus, and in grief at her unrequited affection wasted away until nothing remained but her voice and bones, which were changed into rocks. ”