The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
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。
Technology should serve the land, not dominate it.
No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.
"To paint is to pray with colors."
你必须为梦想而奋斗。你必须为之牺牲并努力工作。
译文：不肯向优秀的人学习，这便是失败的原因了。