NP完全性的概念为理解问题的复杂性提供了一个强大的工具。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
The key to progress is persistence and curiosity.
The best way to predict the future is to create it.
Policy debates should be grounded in rigorous empirical analysis.
You affect the world by what you browse.
你不能让你的失败定义你,你必须让你的失败教导你。
挡在你和目标之间的唯一东西是你不断告诉自己为什么无法实现它的故事。