怀疑是智慧的开端。

You have to be willing to fail, to be wrong, to start over again with lessons learned.

In the dairy industry, safety and quality are non-negotiable.

知识是经验的产物。

学校必须是一个让孩子学会将眼前欲望服从于更大社会利益要求的地方。

史记

Every mathematical problem is a window into a new world of understanding.

让人获得自由是艺术的目的。