In contrast to ritual impurity, moral impurity does arise from the commission of sins. Ritual impurity does not: you're never told not to become ritually impure, okay?

相比仪式的不洁，道德的不洁,的确是由于罪恶的堆积而产生，仪式上的不洁不是：,没有人告诉你别变得仪式上的不洁，对吧？

耶鲁公开课 - 旧约导论课程节选