Politicians are hypocritical for the same reason the rest of us are: to gain the social benefits of appearing virtuous without incurring the personal costs of virtuous behavior.

• 政客与普通人伪善的动机都是相同的：表面上是维护社会公益的“卫道士”，前提却是个人无需为遵守道德原则付出“代价”。