and to you, armed, not show his bow at all. Head-over-heels in love with Laura, Petrarca wrote 365 sonnets, one passionate poem a day dedicated to his true love. Considered the first modern poet because of his interest in individuality, the Italian poet perfected the sonnet during the 14th century. The sonnet, a lyric poem of 14 lines with a formal rhyme scheme, expresses different aspects of a thought, mood, or feeling.