Gravity. Motion. The Universe—quantified for the first time. Isaac Newton's Principia is the cornerstone of classical physics. First published in 1687, this monumental work introduced the laws of motion and universal gravitation, revolutionizing our understanding of the physical world and laying the groundwork for centuries of scientific discovery. With unparalleled mathematical rigor and philosophical depth, Newton articulates the principles that govern planets, projectiles, tides, and time itself. The Principia is not only a milestone in physics but also a testament to the power of reason and observation. This edition features carefully restored formatting, modern annotations, and contextual commentary for scholars, physicists, and readers fascinated by the roots of modern science. "The most influential book in the history of science." — Stephen Hawking "Newton's masterpiece still defines how we view the universe today." — Nature Click Buy Now to explore the mind of the man who redefined the laws of nature.