量子力学中的纠缠概念不仅仅是一个理论上的奇观；它对我们理解信息和因果关系有着深远的影响。

A well-run quarry is a symphony of precision, safety, and respect.《The Quarry Master's Manual》

"Books are the keys to unlocking our potential for change."

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

我不是来告诉你怎么想，我是来告诉你要思考。