The latter part examines the detailed composition of the cosmos and the principles of natural phenomena. The geometric properties of the elements are described, with fire, water, air, and earth identified as the fundamental components. Discussion extends to the human body, sensory perception, and the causes of illness and recovery. The dialogue also explores the motions of celestial bodies and the nature of time, portraying the cosmos as a living organism. Overall, this section presents a systematic account of cosmology and anthropology, situating humanity within the divine order of reason and harmony.
