代数分析很快让我们忘记了研究的主要对象，因为它将我们的注意力集中在抽象的组合上，直到最后我们才回到最初的目标。

The highest knowledge is to know that we are surrounded by mystery.

Sustainability is the only path forward for our industry. Those who ignore this will be left behind.

"The past is always tense, the future perfect."

从富裕社会中解放出来并不意味着回归健康和强健的贫困、道德纯洁和简单。