社会制度应该建立在个人自由和财产权的基础上，这是繁荣和稳定的关键。
The fabric of society must depend on the individual rights of persons, on the rights of property.
History is not just about the past; it's about how the past shapes the future.
格式塔方法强调理解问题发生的背景的重要性，而不是仅仅关注问题本身。
The advancement of mathematics is through generalization.
You have to figure out what your own aptitudes are. If you play games where other people have the aptitudes and you don’t, you’re going to lose. And that’s as close to certain as any prediction that you can make. You have to figure out where you’ve got an edge. And you’ve got to play within your own circle of competence.