解决一个数学问题就是揭开宇宙拼图的一块。
To solve a mathematical problem is to uncover a piece of the universal puzzle.
"You can't go back and change the beginning, but you can start where you are and change the ending."
Life was simple before World War II. After that, we had systems.
——出席国民党上海交通部恳亲会，1913年1月10日
顾客并不知道自己想要什么。
I think the best thing you can do is to be grateful for what you have.
Art grows out of necessity, not out of fashion.