An artist must be willing to fail.

The most important part of teaching is to teach what it is to know.

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.

生活是世界上最罕见的事，大多数人只是存在而已。