We are moving from an economy based on the production of goods to one based on the production of information.

那些被看到跳舞的人被那些听不到音乐的人认为是疯了。

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

要理解现在，我们必须首先理解过去。