After each perceived security crisis ended, the United States has remorsefully realized that the abrogation of civil liberties was unnecessary.
William J. BrennanWhile the machinery of law enforcement and indeed the nature of crime itself have changed dramatically since the Fourth Amendment became part of the Nation's fundamental law in 1791, what the Framers understood then remains true today - that the task of combating crime and convicting the guilty will in every era seem of such critical and pressing concern that we may be lured by the temptations of expediency into forsaking our commitment to protecting individual liberty and privacy.
William J. BrennanThe door of the Free Exercise Clause stands tightly closed against any government regulation of religious beliefs as such. Government may neither compel affirmation of a repugnant belief, nor penalize or discriminate against individuals or groups because they hold views abhorrent to the authorities.
William J. Brennan