在拥有数据之前进行理论化是一个重大错误。

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

The only limits in life are those you impose on yourself.

个人的总是政治的。

书籍经过多次传抄，“鱼” 字可能写成 “鲁” 字，“虚” 字可能写成 “虎” 字。