世界将其前进的动力归功于不安分的人。幸福的人不可避免地把自己限制在古老的界限内。
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
A proposition is an assertion that something is or is not the case.
In the quest for understanding the fundamental nature of reality, we must be prepared to question everything we think we know.
You are never too old to set another goal or to dream a new dream.
幸せは、小さな瞬間の積み重ねだ。
安全不仅仅是一项政策，而是我们矿山每天必须践行的一种文化。