The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

释义：天之险在于高不可升，地之险在于山川丘陵。王公设险以保卫国家，险的功用非常大。

We know that no one ever seizes power with the intention of relinquishing it.

安全不仅是关键绩效指标，更是矿业一切工作的基础。