A substantial proportion of people do what they are told to do, irrespective of the content of the act, and without pangs of conscience, so long as they perceive that the command comes from a legitimate authority.
Stanley MilgramEach individual possesses a conscience which to a greater or lesser degree serves to restrain the unimpeded flow of impulses destructive to others. But when he merges his person into an organizational structure, a new creature replaces autonomous man, unhindered by the limitations of individual morality, freed of humane inhibition, mindful only of the sanctions of authority.
Stanley Milgram