A mathematical proof is not just a verification but a story that reveals deeper truths.

教育是在林业实践中创造有意义变革的基础。

I've always believed that if you put in the work, the results will come.

Every piece of plastic we produce should have a clear path to being reused or recycled.

"In the middle of difficulty lies opportunity."

注意是意识的聚光灯。

儿童不是知识的被动接受者，而是学习过程的积极参与者。

我不是一个政治人物，但我是一个人。