我们都有缺陷，这就是光进来的地方。
The American farmer is the only man in our economy who has to buy everything he buys at retail, sell everything he sells at wholesale, and pay the freight both ways.
Anybody can make history. Only a great man can write it.
When you work on hard problems long enough, you start to see connections where others see only confusion.
领导力是行动，而非职位。
In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.