Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.

Never be afraid to challenge the status quo. That's how progress is made.

解读：道德更多依赖个体的自我约束与内在修养，无法像法律一样强制要求他人遵循。每个人需主动提升道德水准，倘若将道德标准强行加诸他人，容易引发道德绑架，破坏人际关系和谐。