我永远相信，只要坚持，没有什么是做不到的。
I always believe that as long as you persist, nothing is impossible.
There is no death, daughter. People die only when we forget them.
数学是逻辑思想的诗歌。
Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.