经济学家最重要的技能是清晰地思考权衡取舍。
The most important skill for an economist is the ability to think clearly about trade-offs.
Innovation is not just about creating new products; it's about rethinking how we solve old problems.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
如果你从未尝试过，你怎么知道是否有机会？
家庭是一个生产人力资本的小工厂。
成功的真正标准是让土地比我们发现时更好。