"History is a nightmare from which I am trying to awake."

要理解心理学，就要在自然环境中观察行为。

The individual investor should act consistently as an investor and not as a speculator.

在检查动物各部分时，我勤奋努力以求达到真理。

We are all in the gutter, but some of us are looking at the stars.

有用是这些老人曾经对自己最好的希望，而无目的是他们最深的恐惧。