促进民主的最有效方式不是通过军事干预，而是通过建立制度和促进经济发展的缓慢而稳定的过程。

Knowledge is only useful if it’s applied.

Mathematics is the language with which God has written the universe.

科学家价值的真正衡量标准不在于所获得的荣誉，而在于他们的工作对世界的影响。

In this business, if you're good, you're right six times out of ten. You're never going to be right nine times out of ten.

它是大地的泪点，使她的微笑保持着青春不谢。

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.

I know that the appearance of Los Angeles at four o 'clock in the morning every day.