我们都是自己欲望的囚徒，自由只是另一种形式的束缚。

Learning is essentially a matter of stimulus-response connections.

农业是文明的基础，我们必须投资于它的未来。

Books are the mirrors of the soul.

真正的创新需要冒险。

Over time, our emerging high-usage products will likely generate significant new revenue streams for Google as well as for our partners, just as search does today.

Mathematics is the most beautiful and most powerful creation of the human spirit.

Leadership is about inspiring others to see possibilities where they see obstacles.

The desire for recognition, the thymotic part of the soul, is the most fundamentally human part of the human being.