In mining, safety isn't just policy - it's personal.
解释:才华有高下之分,没有古今之别;文章有真实、虚伪之差,没有新旧之异。
The tragedy of life is not that the beautiful things die young, but that they grow old and mean.
有成就感的人会把世界看成一个友好的世界,并乐于看到它照原样保持下去,但失意者却会乐于看到世界急遽改变。
The interplay between mathematics and physics has led to some of the most profound insights in science.