如果你不偶尔失败，说明你不够努力。
If you don’t fail now and again, you’re not trying hard enough.
The future of coal lies in clean and efficient utilization.
"Every match is a new opportunity to learn something."
我喜欢说我不是政治家，我是一个深深关心我的国家的公民。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.