The value of an economic model lies in its ability to explain and predict.

And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'

童话比真实更真实：不是因为它们告诉我们龙存在，而是因为它们告诉我们龙可以被击败。

We must think beyond today’s technology to meet tomorrow’s energy demands.

煤炭的未来不在于数量，而在于我们能否清洁高效地利用它。

我见过未来，兄弟：那是谋杀。

"True leadership is about creating value for others, not just for oneself."

自由始于无知结束之时。