among them are those who see , and can not help seeing , many sides of a case , as well as those who perceive that a humane cause promoted by means that are too ruthless is in danger of turning into its opposite , liberty into oppression in the name of liberty , equality into a new , self-perpetuating oligarchy to defend equality , justice into crushing of all forms of nonconformity , love of men into hatred of those who oppose brutal methods of achieving it .