对民主的爱就是对平等的爱。
I believe that we are lost here in America, but I believe we shall be found.
获得智慧是一种道德责任，它不仅仅是为了让你们的生活变得更加美好。有一个相关的道理非常重要，那就是你们必须坚持终身学习。如果不终身学习，你们将不会取得很高的成就。光靠已有的知识，你们在生活中走不了多远。
Wisdom acquisition is a moral duty. It’s not something you do just to advance in life. And there’s a corollary to that proposition which is very important. It means that you’re hooked for lifetime learning, and without lifetime learning you people are not going to do very well. You are not going to get very far in life based on what you already know.
Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.
没有赞誉，也没有毁谤，或如龙之腾飞，或如蛇之潜藏，随时势而变化，不执着于一端，或进取或退处，以平静和顺为准则，悠然自得，生活在万物的初始状态，按物性去主宰万物，而不为物所役使，这样，怎么会受到拘束和牵累呢？
人的仁慈从未削弱自由者的毅力或软化他们。一个国家不必变得残酷就可以坚强。
始终以最终用户为设计核心；功能永远不应为美学而牺牲。