你拥有的最强大的武器是你的声音。

"You have to dream, you have to have a vision, and you have to set a goal for yourself that might even scare you a little because sometimes that seems far beyond your reach."

人生的意义是自己找到的。

知识最大的敌人不是无知，而是知识的幻觉。

教育儿童，就不需要惩罚成年人。