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Safety and sustainability are the cornerstones of modern mining.

The tyranny of a prince in an oligarchy is not so dangerous to the public welfare as the apathy of a citizen in a democracy.

The most important thing is to awaken in the child his own will and ability to create.

We need to think with a global perspective and act with local solutions.

生活并不會問我們想要什么。它給我們提供一些選擇。

翻譯：既了解敵人，又了解自己，每次作戰都不會有危險。