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.

心灵的宁静是人生最大的财富。

你无法阻止未来，你无法倒回过去，学习秘密的唯一方法……就是按下播放键。