我们可以在游戏和体操中，在陆地和水中旅行时，在空气和海洋的风暴中，以及在任何有物质运动的地方，找到科学最高学说的例证。

职业生涯是攀爬架，而不是梯子。

The universe is not only stranger than we imagine, it is stranger than we can imagine.

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.