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On the cover:
¡La belleza! Lo que es no lo sabemos por ahora con certidumbre matemática; quizá no lo sepamos nunca. Pero que la belleza es algo, que existe, que palpita en la naturaleza, y que, así como la ola que llega a la playa rompe en espuma,...
Discurso de ingreso en la Real Academia Española José Echegaray
Translation of the text on the cover: Beauty! What it is we do not yet know with mathematical certainty; perhaps we shall never know. But that beauty is something, that it exists, that it throbs in nature, and that, just as the wave that reaches the shore breaks into foam, ...
Inaugural speech at the Royal Spanish Academy José Echegaray