No man really knows about other human beings. The best he can do is to suppose that they are like himself.

The hardest thing to learn in life is which bridge to cross and which to burn.

一本书是通往其他生活和其他世界的窗口。

Live as though you intend to live forever，and work as though your strength were limitless.

在全球采矿业中，适应能力就是新的竞争优势。

Innovation is not just about technology; it's about people and how they use it to create value.

一般而言，宗教上的错误是危险的，哲学上的错误只是荒谬的。