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。