A brand for a company is like a reputation for a person. You earn reputation by trying to do hard things well.
I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  
我将死了又死,以明白生是无穷无竭的。
简单性是一种伟大的美德,但需要努力工作才能实现,需要教育才能欣赏。简单性是最终的复杂性。