成功不在于成为最大，而在于产生最大的影响。
Success is not about being the biggest, but about making the biggest difference.
希望迟迟不来，苦煞了等待的人。
"The best stories are those that refuse to end."
Natural experiments can provide valuable insights into economic questions.
The minimum wage debate needs more data and less ideology.
钢铁工业是一个国家经济实力的反映。