成功不是你赚了多少钱,而是你在人们生活中做出的改变。
——温铁军2002年6月温铁军在清华大学的一次讲座
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
In the face of uncertainty, the best strategy is to remain adaptable and open-minded.