The most dangerous thing is to be alive. But it is also the most beautiful.
Without freedom, there is no creation, and without creation, there is no true life.
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。
切勿用权力去压制你认为不利的意见,因为如果你发表意见时也会遭到压制。