I would run right up to the wall and touch it, even in the dark — I needed the distance for my run — and often I could run all the way up to the wall and not one of them would say a word.

我会一直跑到墙边，触摸它，在黑暗中也一样——我要测量我跑的距离——常常我径直跑到墙边，他们也不说什么。