关于自由市场最重要的一个核心事实是，除非双方都受益，否则交易不会发生。

Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.

解释：要紧紧抓住时机不能错过，错过了也不能延误太久。

预测未来的最好方法就是创造未来。

做出伟大工作的唯一方法就是热爱你所做的事。

Leadership is not about being in charge. It's about taking care of those in your charge.

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."

我写作是为了理解我周围的世界。