Of particular note is "Et in Arcadia ego" by Nicholas Poussin, which has become famous both in its own right and because of its (possible) connection with the gnostic histories of the Rosicrucians. In 1502 Jacopo Sannazaro published his long poem "Arcadia" that fixed the Early Modern perception of Arcadia as a lost world of idyllic bliss, remembered in regretful dirges. In the 1580s Sir Philip Sidney circulated copies of his influential heroic romance poem "The Countess of Pembroke's Arcadia", which established Arcadia as an icon of the Renaissance; although the story is plentifully supplied with shepherds and other pastoral characters, the primary characters are all royal visitors of the countryside. The Spanish playwright and poet Lope de Vega also published in 1598 "Arcadia: Prose and Verse", which was a bestseller at the time. In it de Vega writes: