The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

行义事不能进行时，不要责怪道义。 

The best ideas often come from challenging the status quo.

合作是关键。没有任何一家公司或国家能够单独解决能源和气候挑战。

纠缠不仅仅是量子力学的一个奇特特征；它是宇宙运作的本质。

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

我们需要能够信任互联网的基础设施。