可持续发展不是一种选择,而是我们对后代的责任。
Sustainability isn't an option; it's a responsibility we owe to future generations.
In mathematics, you don't understand things. You just get used to them.
The world is full of mysteries, and that is its beauty.
The moment you think you know it all is the moment you have the most to learn.
写自己和所处时代的人,才是唯一能写所有人和所有时代的人。
"We are all just walking each other home."