The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.

Every action should follow morality and justice.

活着就是为了改变世界，难道还有其他原因吗？

I'm the reason your air won't move.

亲属关系的研究，即我们所谓的人类社会的社会解剖学的研究。