The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

The world is full of magic things, patiently waiting for our senses to grow sharper.

中国矿业要走向世界，必须提升国际竞争力。

The only thing we have to fear is fear itself.

Curiosity is the engine of discovery.