Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.

We have to continually be jumping off cliffs and developing our wings on the way down.

"Every act of creation is first an act of destruction."

中心地的规模和分布并非偶然，而是遵循一定的规律。

"The truth is often hidden in the details."

"In the silence between words, the truth often lies hidden."