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.
I'm not a product of the record industry. I'm a product of my own imagination.
The only freedom which deserves the name is that of pursuing our own good in our own way, so long as we do not attempt to deprive others of theirs, or impede their efforts to obtain it.
消灭一个民族的第一步是抹去它的记忆。摧毁它的书籍,它的文化,它的历史。然后让某人写新书,制造新文化,发明新历史。不久之后,这个民族就会开始忘记它是什么以及它曾经是什么。