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."
——出席国民党上海交通部恳亲会,1913年1月10日
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.