The Canticle of the Sun, also known as the Canticle of the Creatures, is a song attributed to St. Francis of Assisi that praises God through the elements of nature. This poem expresses a deep sense of joy and reverence for creation, showcasing the interconnectedness of all living things and their relationship with the divine. It embodies themes central to Christian mysticism and spiritual movements, particularly in its emphasis on finding God in nature and embracing a life of simplicity and humility.