During his life, Saint Francis wrote some of the most famous and beautiful prayers in which he raises marvellous praises to God. He is the author of the oldest poetic text in Italian literature, the Canticle of the Creatures, also known as the Canticle of Brother Sun, now partially found in Codex 338, in the Biblioteca del Sacro Convento in Assisi. It is a Praise to God for all the wonderful . . .