写作的光荣

The mining industry has a responsibility to leave communities better than we found them.

黑暗不在外面，而在我们内心。

The beauty of physics lies not in having all the answers, but in asking better questions.

People are not lazy. They simply have impotent goals - that is, goals that do not inspire them.

海洋的健康直接关系到地球和人类的健康。