The world is changing rapidly, and we must adapt or be left behind.

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock hem up DOES rejoice. Still, the place you live in is that much more drab and empty that they're gone. I guess I just miss my friend.

我扮演的每一个角色都是我的一部分，我把一部分的自己献给每一个角色。

残酷的不是这个世界，而是世界里的人。

Problem solving is the central activity of intelligent systems.

"Success is a lousy teacher. It seduces smart people into thinking they can't lose."