Enrique Juan Palacios, The Stone of the Sun and the First Chapter of the History of Mexico (1921)
“ If the relief of the museum is that commemorative monument, we must admit that its glyphs, so long mysterious, were the work of a master-workman and the conception of a mind which in genius does not yield before Hipparchus, nor Kepler, nor Newton, nor Arago. Thus Bullock was impelled to declare: "...The stone is a conspicuous proof of the perfection to which those races had attained in certain sciences: even in the most enlightened cities of the present day, there are few persons who would be capable of executing such a work." ”
