解读：绝对的自由会让拥有更多资源、权力的强者肆意妄为，他们会凭借优势去压榨弱势群体，抢占利益。所以，用道德、法律来框定自由边界，是守护社会公平、保障弱者权益的必需。

强调抓住机遇的重要性

The most important thing in auction design is to create an environment where bidders feel comfortable revealing their true valuations.

Mathematics is not just a tool; it is a way of thinking.

找不到时间娱乐的人迟早会被迫找时间生病。