The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

最成功的公司是那些能够适应不断变化的市场条件的公司。

The first condition of understanding a foreign country is to smell it.

抽象的力量在于它允许我们忽略与当前任务无关的细节。

没有自然光的房间就不是房间。