The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.

The truth is often uncomfortable, but it is necessary.

不修养品德，不讲习学问，听到正义不能追随，有缺点不能改正，这些都是我所忧虑的。

我越了解有钱阶级，就越理解断头台。