你不必完美无缺才能令人惊叹。
好的政策需要健全的理论和实证验证。
Every ton of coal we extract must create maximum value with minimum environmental impact.
Success is stumbling from failure to failure with no loss of enthusiasm.
永远不要停止学习,因为世界从未停止变化。
In mathematics, the art of proposing a question must be held of higher value than solving it.