魏杰清华大学教授任何法律和制度都有失效的时候，法律不是万能的。比如不准随地吐痰，没有人我就吐了，怎么样？这时候法律就失效了。法律约束会失效，管理也会失效，那就得靠道德约束，企业里面叫做企业文化约束，社会上叫道德约束。有一次有一个董事长到北京来开会请我吃饭 Wei Jie Professor of Tsinghua University When any law and system have failed, the law is not a panacea. Such as not allowed to spit, no one I will vomit, how? At this time the law lapsed. Legal constraints will lapse, management will fail, it must rely on moral constraints, corporate called corporate culture constraints, the community called moral constraints. Once there was a chairman who came to Beijing to meet for dinner