The biggest barrier to change isn't technology; it's the fear of leaving the familiar behind.

一个故事的真相在于它的情感核心。

"The power of technology is in its ability to amplify human potential."

并不存在一个自由美国和一个保守美国的区别 - 只有团结的美利坚合众国。

I must study politics and war that my sons may have liberty to study mathematics and philosophy.

预测未来的最好方式就是去设计它。