In an age when science and spirit still spoke one language, the English physician Robert Fludd set out to read the entire creation as a single sacred text. The Two Worlds (Utriusque Cosmi) maps the 'greater world' of the heavens, elements, and angels and the 'lesser world' of the human body and soul, showing how every star, number, tone, and organ echoes a divine order. For Fludd the cosmos is a vast instrument tuned by God, its music sounding in the proportions of the spheres and in the beating of the human heart. This modern-English edition renders his visionary cosmology in clear, present-day English — faithful to the meaning and spirit of the original, and inviting to read now. It includes a glossary, memorable passages, and a guide for today's readers. Whether you come for the harmony of the spheres, the art of memory, or the dazzling unity of body and universe, you will find here a masterpiece of wonder made newly accessible. Part of The World Scriptures Library.