My job is not to be easy on people.My job is to take these great people we have and to push them and make them even better.

技术应该为人类服务，而不是反过来。

如果没有模型，我们在预测气候变化方面将如同在黑暗中摸索。

实现明天理想的唯一障碍是今天的疑虑。