如果没有机械的帮助，一天的劳动不足以生产一磅棉花。

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

我不相信悲观主义。如果事情没有按照你希望的方式发展，那就继续前进。如果你认为会下雨，那就会下雨。

不经历风雨，怎么见彩虹，没有人能随随便便成功。

"Love is the extremely difficult realization that something other than oneself is real."

永远要走“正道”，它并不拥挤。