The greatest happiness is to know the source of unhappiness.

最好的投资建议往往是最简单的：分散投资、保持低成本并坚持到底。

名称的意义就是它的指称对象。

Even as a child she had lived her own small life within herself. At a very early period she had apprehended instinctively the dual life - that outward existence which conforms, the inward life which questions.

我看不到极限，我只看到可能性。

【解释】脑力劳动者统治人，体力劳动者被人统治；被统治者养活别人，统治者靠别人养活，这是通行天下的原则。