I believe that we are lost here in America, but I believe we shall be found.

Legal rules are not self-executing; they require human agency to be effective.

Never compromise on safety - it's the cornerstone of our industry.

一本书是世界的一个版本。如果你不喜欢它，忽略它；或者提供你自己的版本作为回应。

People always say that you can't please everybody. I think that's a cop-out. I think if you work hard enough, you can please anybody.

我创业不是为了赚钱，而是为了改变世界。

"The only real failure in life is not to be true to the best one knows."