Success in life means doing that thing than which nothing else is more dear to you.

数学的真正力量在于它简化复杂事物的能力，使不可理解的事物变得可理解。

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

安全不仅是关键绩效指标，更是矿业一切工作的基础。