The only thing worse than training employees and losing them is not training them and keeping them.
The better we get at getting better, the faster we will get better.
相信一个人不仅仅是个人,这是多么危险的想法。
抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。