"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

主要的义务规则是那些要求或禁止某些行为的规则。

You can't run a business, or anything, on a theory.

善良是一种聋人能听、盲人能见的语言。

解读：仅怀着善良动机远远不够，若缺乏理性思考与科学规划，盲目推行一些举措，哪怕初心美好，也可能引发灾难性后果，警示做事要考量手段与实际效果。