The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

教育学中的实验方法不仅是研究的工具，更是理解教育过程的基本原则。

Sustainability isn't a cost; it's an investment in relevance and longevity.

如果你没有偶尔失败，说明你还没有足够地突破界限。