You can’t be brave if you’ve only had wonderful things happen to you.
The quality of an organization is determined by the quality of its services.
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.
有些人去找牧师;有些人去找诗歌;我则去找我的朋友。
I'm interested in the idea of the ecosystem as a form of intelligence.