多项式时间归约的概念对于理解NP完全问题的结构至关重要。

我们不害怕未来，我们不害怕过去。

"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

The future of AI is in understanding how the brain works.

创新不仅仅是技术的问题；它是关于改变思维方式和拥抱新的思考方法。