Why is justice the chief part and the most binding part of our morality?

为何公正是道德中最主要,最不可或缺的部分？

耶鲁公开课 - 公正课程节选

But still, he considers justice grounded on utility to be what he calls "the chief part and incomparably, the most sacred and binding part of all morality."

但是他依然把基于功利的公正称为,所有道德的主体,最无与伦比，最神圣，最有约束力的部分“

耶鲁公开课 - 公正课程节选