In foreign policy, the currency of trust is more valuable than gold.

"The past is always with us, whether we acknowledge it or not."

我们必须拥抱新技术和新理念，否则将在快速变化的能源格局中落后。

Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.

The personality of the teacher is the cornerstone of education.

行为不能脱离其适应背景。

有时最重要的实验是那些失败的实验，因为它们教会我们什么是行不通的。