世界所有前进的动力都归功于不安分的人。快乐的人不可避免地把自己限制在古老的界限内。
"Sometimes we get sad about things and we don’t like to tell other people that we are sad about them."
没有循环和结构化变量的程序不值得编写。
"Human behavior is the product of evolved psychological mechanisms that process information from the environment."