The P versus NP problem is one of the most important unsolved problems in computer science.
我认为应该避免的另一件事是极度强烈的意识形态,因为它会使人的思想白菜化......当你年轻时,很容易沉浸在旧思想中,当你宣布自己是忠实成员时......你就会逐渐毁掉自己的思想。
海洋是地球上最后的伟大边疆。
Legal rules are not merely commands backed by threats.