we can go back to the cave if you like.

你不必理解所有事物才能去爱它。

当没有人相信你时，你必须相信自己。这就是让你成为赢家的原因。

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

Sustainability is not an option; it's a necessity for the future of mining.

过去是一个参考的地方，而不是居住的地方。