The key to managing complexity is to focus on the interfaces between components, not their internal details.

每个数学问题都有一个解决方案；只是需要时间和努力去找到它。

The only thing worse than being talked about is not being talked about.

拓扑绝缘体是理论预测如何导致实验发现并重塑我们对物理世界理解的一个典型例子。

【释义】道是宏大而无形的，德是实在而具体的。

学习本质上是刺激-反应连接的问题。