He was a brilliant student, ultimately earning a doctorate in theology, and he became a faculty member at the University of Mexico.
[2] His learning was extensive, covering theology, canon law, philosophy, mathematics, and letters; and he was a gifted orator.
"[3] Eguiara y Eguren published his Biblioteca Mexicana in response to the text of the Dean of Alicante, Manuel Martí, which denigrated the attainments of the men of letters of the New World in his "epistolas latinas" printed in Madrid in 1735.
The Biblioteca Mexicana is written in Latin and, besides the fact that it is incomplete, a pompous style detracts from it.
The complete title is Biblioteca Mexicana sive eruditorum historia virorum qui in America Boreali nati, vel alibi geniti, in ipsam domicilio aut studiis asciti, quavis lingua scripto aliquid tradiderunt.