The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
The price of freedom is eternal vigilance.
不要害怕失败,因为每一次失败都是成功的练习。
Innovation in paper manufacturing isn't just about technology; it's about rethinking our relationship with natural resources.
"The key to innovation is diversity of thought."
I believe in the power of storytelling to change people's lives.