Every man has a right to his opinion, but no man has a right to be wrong in his facts.

"The truth is not what you remember, but what you can no longer forget."

忘记一个人的最好方法就是去找另一个人。

当一个孩子问出一连串的「为什么」的时候，最聪明的回复就是「我不知道，你是怎么想的呢？」

The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.