学习本质上是刺激-反应连接的问题。
Learning is essentially a matter of stimulus-response connections.
网络的力量在于其普遍性。无论是否有残疾，每个人都能访问是一个基本方面。
You can't judge a book by its cover, but you can by its first chapter.
创新不仅仅是技术问题；它关乎人以及我们如何共同解决问题。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
在商业中，如果你不前进，你就在落后。