当空间被生活占据时,它就变成了场所
数学家最好的工作往往来自于在别人看不到联系的地方发现联系。
Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.
"Humor is the best way to connect with kids."
学习在于改变介于刺激和反应之间的某些中介过程。