My blindness is not a tragedy, but just another way of seeing.
我的失明不是悲剧，只是另一种看待世界的方式。
生活太重要了，不能太当回事。
I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.
我本人是个乐观主义者，因为做别的貌似没什么用。
今天我们播下的每一颗种子都是对后代的承诺。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.