书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。

The truth is often found in contradiction.

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。

The investor's chief problem—and even his worst enemy—is likely to be himself.

My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.