如果不能满足真正农民的需求，最先进的技术也毫无价值。

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.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.

意识的元素要根据其属性分类。

The coal industry is about people, not just profits.

A culture of continuous improvement is what separates good companies from great ones.

诚信是所有成功关系的基础，无论是个人还是职业。