唯一真正的监狱是恐惧，唯一真正的自由是从恐惧中解脱。

Energy independence is not just a goal; it's a necessity for national security.

The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

真正的领导力在于赋能他人发挥全部潜力。