A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
我們心理學的一般立場是經(jīng)驗性的：我們的科學不過是經(jīng)驗的事實。
沒有什么是不可能的，"不可能"的英文impossible都在說I'm possible(我是可能的)！
The ultimate aim of artificial intelligence is to make computers do things that would require intelligence if done by humans.
信任是通過行動贏得的，而不是言語。