The beauty of instrumental variables is that they allow us to see the world in a new light.
I never give up. I never give in.
战略就是让自己在竞争中脱颖而出。这并不是要在你所做的事情上做得更好——而是在你所做的事情上与众不同。
We must build a world in which there shall be no economic domination.
"I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit."
The real is not only what can be reproduced, but that which is always already reproduced.
世界不会记住你说过什么，但会记住你做过什么。
We design for the human experience first and foremost.
没有正义就没有爱。
The best books... are those that tell you what you know already.
I've always believed in numbers and the equations and logics that lead to reason.