你的冰无法冻结是因为我。

Mathematics is the language with which God has written the universe.

人们放弃自己权力的最常见方式是认为自己没有任何权力。

金钱就是动力。

I think it's important to take risks and to challenge yourself. That's how you grow as a person.

Good econometrics is like good carpentry—it's all about using the right tool for the job.