译文：在集市中是没有老虎的，这是人们都明了的，可是经过多个人的谣传，就像真的有老虎一样。

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。

I have always been fascinated by the darker side of human nature.

Every problem in mathematics is an opportunity to learn something new.

The Internet is a powerful tool for education, communication, and collaboration.