There are no permanent trends, only permanent users.

"Persistence and determination are omnipotent."

I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm. Just letting you know that you're not alone. Holler if you feel like you've been down the same road.

图式是认知的构建块，组织我们的知识并指导我们的理解。

——温铁军2002年6月温铁军在清华大学的一次讲座