1600: Pope Clement VIII sanctions use of coffee despite petition by priests to ban the Muslim drink as "the devil's drink".[citation needed] The Pope tried a cup and declared it "so delicious that it would be a pity to let the infidels have exclusive use of it. We shall cheat Satan by baptizing it."[23] 1609: Francis de Sales publishes his Introduction to the Devout Life. Later, in 1616, he publishes the Treatise on the Love of God.[24] 1610: Claudio Monteverdi's Vespro della Beata Vergine is performed.