The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.

"The truth is not what you remember, but what you can no longer forget."

沉默是唯一不会被误解的语言。

You have to be willing to fail, to be wrong, to look foolish.

"The human voice is the most powerful instrument of all."

The human spirit is stronger than anything that can happen to it.

The most damaging phrase in the language is: 'It's always been done this way.'

经济学家需要三种伟大的智力才能：感知、想象和理性；而最重要的是他需要想象力。

一个人评判得越多，爱得就越少。