The Pythagoreans, followers of the ancient Greek philosopher Pythagoras, were not just mathematicians but also mystics who believed that numbers held the key to the universe, encoding divine principles into geometric forms and musical harmonies. They saw numerical relationships as sacred, shaping reality from the movements of the heavens to the structure of the soul. Central to their teachings was the Tetractys—a triangular figure made up of ten points—symbolizing the harmony of the cosmos and l