sentences:  He was also the author of "Il silenzio, discorso sopra la pittura" (Rome, 1670) and "La fantasia, discorso accademico" (Rome, 1673).These publications are based on Passeri's lectures on art theory, which he delivered between 1662/3 and 1675 at the Accademia di S Luca.Another lecture remained unpublished.