On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."

Labor market institutions play a crucial role in shaping economic outcomes.

To understand the present, you must first understand the past.

"I’m a firm believer in hard work and dedication paying off."

一个好的数学家总是准备好进行概括。

俄罗斯的面貌反映在它的人民的眼中。