自然现象的多样性如此之大,天空中隐藏的宝藏如此丰富,正是为了使人类的思想永远不乏新鲜的滋养。
Labor economics is fundamentally about understanding people’s choices and constraints.
最伟大的故事是那些让我们质疑自己生活的故事。
If you want something you've never had, you must be willing to do something you've never done.