成功经济发展的关键是遵循比较优势并利用后发优势。

I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.

"El silencio es el lenguaje de Dios; todo lo demás es una pobre traducción."

In mathematics, the journey of discovery is as important as the destination.