真相很少是纯粹的，也从不简单。

Growth itself contains the germ of happiness.

我一直更喜欢研究具体问题而非抽象理论。

领导力意味着为了更美好的明天而在今天做出艰难的决定。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

文学是社会的镜子。

现在是过去的未来。

在采矿业，安全不仅仅是政策 - 它是个人问题。