Good econometrics is like good carpentry—it's all about using the right tool for the job.
"I was unconditionally and irrevocably in love with him."
I’m not a theorist. I’m not an intellectual. I go by my nose.
生活不总是彩虹和蝴蝶,是妥协让我们前进。
The history of every country begins in the heart of a man or a woman.
The joy of mathematics comes from the moments of clarity when complex things become simple.