经济模型的价值在于其解释和预测的能力。

It took untold generations to get you where you are. A little gratitude might be in order. If you're going to insist on bending the world to your way, you better have your reasons.

每个人都有能力理解股市。如果你能通过五年级的数学，你就能做到。

In every problem, there is a hidden pattern waiting to be discovered, and it is our duty as mathematicians to uncover it.

贫困的问题不在于人们懒惰，而在于经济体系没有为他们提供机会。