The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

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。

感知的动态受“完形律”（良好形式）原则支配。

You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.

Innovation in energy must be balanced with responsibility—progress cannot come at the expense of the planet.