The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
大脑就像肌肉一样，当我们使用时会感到愉悦。理解是充满欢乐的。
"In computational learning theory, the challenge is not just to learn, but to understand how learning is possible."
Success is not about how much you know, but how much you care.
每面墙都有自己的声音，我的工作就是倾听。
农民最好的工具是他的头脑。
