我变得疯狂，而在长时间的可怕清醒间歇中度日。

Communicate everything you possibly can to your partners. The more they know, the more they'll understand. The more they understand, the more they'll care. Once they care, there's no stopping them.

荒野是一个发现的地方。要生存，你必须探索它。

Every sentence is a journey, and every word is a step.

学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。