Commercial success can be a form of art.

解释：只有放弃一些事情不做，才能在别的一些事情上做出成绩。

My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.

You are somebody who didn't know what you wanted until you wrote it down on paper.

【讲解】：古代读书人学习的目的，在于修养自己的学问道德（然后去为国家、人民服务），现在读书人学习的目的，在于给别人看（希望得到别人的赞美和任用）。

关系模型的力量在于其简单性以及以直接方式表示复杂关系的能力。

记忆是我们随身携带的日记。

最大多数人的最大幸福是道德和立法的基础。