P与NP问题是计算机科学中最重要的未解决问题之一。
The P versus NP problem is one of the most important unsolved problems in computer science.
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
And America, too, is a delusion, the grandest one of all. The white race believes—believes with all its heart—that it is their right to take the land. To kill Indians. Make war. Enslave their brothers. This nation shouldn’t exist, if there is any justice in the world, for its foundations are murder, theft, and cruelty.
君子吃饭无求过饱,……做事要勤奋,说话要谨慎,并能接近有道理的人,向他学习,以纠正自己的缺点,这就可以说是好学的人了。