安全必须始终是采矿作业的首要任务。
悲伤不是一条线,让你无限远离失去。它是一个圆,你会一次又一次回到同一个地方。
每个人心中都有一头野兽,当你给他一把剑或矛并送他上战场时,那头野兽就会苏醒。
A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.
What matters in life is not what happens to you but what you remember and how you remember it.
We believe that sustainable development is the key to a better future.