What you do makes a difference, and you have to decide what kind of difference you want to make.
你的行为会带来改变，而你必须决定你想带来什么样的改变。
对天资在中等程度以上的人，可以和他谈论高深的学问；而对于中等以下天资的人，则不可以和他谈论高深的学问。
True leadership is about serving others, not commanding them.
The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.
你停止学习的那一刻，就是你停止成长的那一刻。