translation.en: General relativity is unquestionably Einstein's masterpiece, a theory which reveals the workings of the universe at the grandest scales, capturing in one beautiful line of algebra everything from why apples fall from trees to the beginning of time and space.
translation.zh: 广义相对论毫无疑问 是爱因斯坦的杰作， 它将宇宙在宏观空间下的运作规律 描绘成了一个美丽的线性公式, 从苹果为什么会从树上掉落 直到时间和空间的起源。