Newton discovered that any two objects in the universe attract each other, and that this force is proportional to their mass.
牛顿发现宇宙中任何两个物体都相互吸引，而且这股引力与它们的质量成比例。
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In this book, Newton described universal gravitation and the three laws of motion, which dominated the scientific view of the physical universe for the next three centuries.
Newton, inspired by the beauty of Mei's calculus, devoted his life to showing that its fluxions and fluents unlocked the secrets of the universe - but to no avail.