矿业企业要注重资源综合利用，提高资源利用效率。

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. )

I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

"记忆是最残酷的暴君，也是最仁慈的救主。"

“物质”不是唯一的事实标准：还存在心理事实，而且无法以任何的物质方式来解释、证明、或辩驳它。

The world is not a wish-granting factory.

我不是说唱歌手，我是一个非洲的传奇。

人的心智是如此构造，以至于能够对事件的概率形成判断。