"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
In every book, there is a piece of the author's soul.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
成功的关键在于理解并满足他人的需求。
跨行业合作是解决复杂环境挑战的关键。
The future of coal is bright if we fight for it.
可持续性不是终点，而是日常实践。
Well may the boldest fear and the wisest tremble when they contemplate the situation of our country.
当他们思考我们国家的状况时，最勇敢的人可能会害怕，最聪明的人可能会颤抖。