Complex sentence: The dense symbolism of Cyrus is supplemented by hundreds of foot-notes, the very first informs the reader that "the divine philosopher" alluded to in the opening paragraph is Plato, author of the "Bible" of alchemy, namely the Timaeus.
Split into simpler sentences: The dense symbolism of "Cyrus" is supplemented by hundreds of foot-notes. The very first informs the reader that the "divine philosopher" alluded to in the opening paragraph is Plato, author of the "Bible" of alchemy, namely the Timaeus.