 Petrarch's and Shakespeare's sonnets

The sonnets of Petrarch and Shakespeare represent, in the history of this major poetic form, the two most significant developments in terms of technical consolidation—by renovating the inherited material—and artistic expressiveness—by covering a wide range of subjects in an equally wide range of tones.Both writers cemented the sonnet's enduring appeal by demonstrating its flexibility and lyrical potency through the exceptional quality of their poems.