I had ambition not only to go farther than any man had been before, but as far as it was possible for a man to go.

The more you do, the more you learn. The more you learn, the more you can do.

书籍是引导我们穿越人生的地图。

The most valuable resource we extract isn't coal—it's the talent and dedication of our people.

最好的领导者是那些倾听多于说话的人。