“The average difference between two people within one -ethnis group is greater than the difference between the average of two different ethnis groups.”

乍一看我实在很不理解，然后想了两天，忽然明白了……

就拿性格行为方面来说，所谓人同此心心同此理，世界各地的人其实眼神手势性格都差别不大，你摔跤了所有人都觉得看着有些疼；你插队了所有人都鄙视你。一个人的品德好坏不来自于他是哪里人。哪里都有坏人好人。