Juan Antonio Llorente,
The History of the Inquisition of Spain from the Time of its Establishment to the Reign of…
“ Philip was so suspicious of every one, that he lived in a kind of captivity, and did not make his accustomed excursions to Aranjuez, the Pardo, and the Escurial. He kept himself shut up in his apartment; the least noise in the street drew him to the window, such was his dread of some tumult. He had always suspected the Flemings, or other persons, of being the prince's partisans, or at least to affect it.The unhappy Don Carlos, who was not accustomed to conquer his passions, could never make use of any means to palliate his misfortune. ”

