诚信是所有成功商业关系的基础。

Sustainability in mining isn't an option—it's a necessity for our future.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

I’m not perfect, but I’m always me.

数学的美只向更有耐心的追随者展示。

艺术应该是一种感染人们思维方式的病毒。