"The emotions are like a computer's output devices - they motivate action to solve specific adaptive problems."

用户的需求永远是第一位的，我们要做的就是不断满足他们的需求。

There is no man, however wise, who has not at some period of his youth said things, or lived in a way the consciousness of which is so unpleasant to him in later life that he would gladly, if he could, expunge it from his memory.