Einstein’s timeless equation, E = mc², is usually seen as the crown jewel of modern physics, yet when reflected upon deeply, it carries echoes of ancient spiritual wisdom. The equation tells us that matter and energy are not two different realities but two forms of the same essence. What appears solid and material is in truth nothing but energy, compact and hidden from the eye. The universe of countless forms is bound together by an invisible unity. This vision resonates with the Upanishads, which proclaim: “Sarvam khalvidam Brahma” — all this is indeed Brahman. Just as physics reveals that matter can dissolve into pure energy, Vedanta reminds us that the visible world is but a fleeting expression of the eternal spirit. The essence of all things, whether stone or star, body or breath, is one and the same. It is also significant that light stands at the center of Einstein’s discovery. In science, light is the cosmic constant, the measure by which the universe reveals its truths. In ...