多样性不仅仅是代表性问题，而是创造一个不同观点可以蓬勃发展的环境。
The only way to survive is to take care of each other.
The well bred contradict other people.The wise contradict themselves.
所以,在收成好的年头,百姓就仁义善良；遇到荒年,那么百姓也会吝啬而凶恶。