 His work would go on to become what Spiller calls 'the single greatest influence on the love poetry of Renaissance Europe until well into the seventeenth century'.The most evident purpose of the Canzoniere is to praise Laura, yet questions concerning the virtue of love in relation to the Christian religion and desire are always present.Antithesis are also key to the sequence and in one sense represent Petrarch's search for balance; these would later be exploited by Petrarchists in Europe but represent only one aspect of the Rimes.