And Mangum swears that his knowledge of Esperanto better prepared him to learn Spanish.
Esperanto fell well short of Zamenhof's goal of a universal second language, but it was not a complete failure.
Nowhere is this pipe dream more obvious than in the history of Esperanto, one of the world's most well-known invented languages.
1892, from Doktoro Esperanto, whose name means in Esperanto, "one who hopes," pen name used on the title page of a book about the artificial would-be universal language published 1887 by its inventor, Lazarus Ludwig Zamenhof (1859-1917). Cf. Spanish esperanza "hope," from esperar, from Latin sperare (see speed (n.)).