超导理论不仅仅是一种特定现象的理论，而是量子凝聚态物质的一般理论。

"The power of a story lies in its ability to make us feel less alone."

The most revolutionary tool in modern agriculture isn't a machine—it's the farmer's knowledge passed down through generations.

历史的终结不是事件的终结，而是人类政治和社会制度演进的终结。