乐观，悲观，去他的；我们要让它发生。我发誓，我一定要让它成功。

真正的民主只能存在于社会主义社会中。

The true measure of a mining company's success isn't just in its financial statements, but in the lasting positive impact it leaves on communities.

数学的研究是所有智力和精神进步不可或缺的基础。

海面平静如镜，映照着天空。