社会制度应该建立在个人自由和财产权的基础上，这是繁荣和稳定的关键。

真相很少是纯粹的，也从不简单。

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.

人生苦短，必须快乐。

Peace is not just the absence of war, but the establishment of a stable, just, and sustainable international order.