If your process harms the environment, you're not tanning—you're taking.

发明是需求之母。

伦理道德的基础是理解爱和争斗在个体和社会中的作用。

难道你看不出一个充满痛苦与烦恼的世界对于磨练智慧、造就灵魂是多么必要吗？

最成功的企业解决了人们甚至不知道自己存在的问题。

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

关于神，我不知道他们是否存在，也不知道他们是什么样子。

La vie est une comédie pour ceux qui pensent, une tragédie pour ceux qui sentent.

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.