We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.

I believe in making things that last, both physically and emotionally.

真正的智能是润物细无声的服务，而非炫技。

Legal rules are not self-executing; they require human agency to be effective.

对待小人态度严厉，不困难，困难的是让自己不去憎恨厌恶他们；对待君子恭敬谦逊，不困难，困难的是让自己始终以礼相待他们。