我们面临这样一个进退两难的境地，即教育已经成为智慧和自由思想最主要的障 碍之一。

Environmental protection is our inescapable responsibility. We must pay attention to ecological protection in the mining process to achieve sustainable development.

The most powerful weapon on earth is the human soul on fire.

每一滴海水都承载着地球的历史。

宇宙不仅比我们想象的更奇怪，它比我们能想象的还要奇怪。