The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.

The true measure of a forest's worth isn't in board feet of timber, but in centuries of ecological balance.

简单是终极的复杂。

语言是理解高级心理过程的关键。

译文：我衰老得太厉害了!感慨平生交游的朋友渐渐零落，如今还剩下几个?白发空自垂下三千丈，对人间万事只能付之一笑。试问什么事物能让我真正欢喜?

信任是每一段牢固关系的基础，无论是与员工还是客户。

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

The most important thing is that we develop an interest in the world and take joy in our fellow human beings.