"Observance of customs and laws can very easily be a cloak for a lie so subtle that our fellow human beings are unable to detect it. It may help us to escape all criticism, we may even be able to deceive ourselves in the belief of our obvious righteousness. But deep down, below the surface of the average man's conscience, he hears a voice whispering, 'There is something not right,' no matter how much his rightness is supported by public opinion or by the moral code."