Hasidism is, therefore, regarded as one of the social forces which made for the growth of Yiddish as the linguistic media of Ashkenizi Jews. St. Francis likewise sparked creative religious/poetic expression in the vernacular: "Canticle of Brother Sun" is regarded by some as the first Italian poem. ###>Certains considèrent son « Cantique de frère Soleil » comme le premier poème en langue italienne.