translation.en: He needn't go anywhere. He could have been in bed the whole time, but it's as if his health is a point in state space that you conceptualize as moving.
translation.zh: 他哪里都没”去“，而是可能一直呆在床上 但是我们说话时仿佛他的健康状况是空间中的点 你给它一种动的概念