All things are possible until they are proved impossible and even the impossible may only be so, as of now.

Logic is the foundation of all mathematical reasoning.

过去并非固定不变，它会随着我们的重述而改变。

文学是赋予无形以形式的艺术。

Customer needs are the source of our innovation. Only by truly understanding the market can we provide valuable products and services.

采矿业必须带头展示采掘作业如何与环境管理共存。

理解数学就是掌握宇宙的语言。

"Culture is the soul of the organization."

依靠聪明、平衡的人类几个世纪以来所依赖的普通美德。常识、节俭、现实的期望、耐心和毅力。

Technology should make us better stewards, not more efficient plunderers.

不要盯着时钟，做它该做的事。继续前进。