Sex and obscenity are not synonymous. Obscene material is material which deals with sex in a manner appealing to prurient interest.

The concept of military necessity is seductively broad, and has a dangerous plasticity. Because they invariably have the visage of overriding importance, there is always a temptation to invoke security "necessities" to justify an encroachment upon civil liberties. For that reason, the military-security argument must be approached with a healthy skepticism.

The public schools are supported entirely, in most communities, by public funds-funds exacted not only from parents, nor alone from those who hold particular religious views, nor indeed from those who subscribe to any creed at all.

If a policeman must know the Constitution, then why not a planner?

At bottom, the battle has been waged on moral grounds. The country has debated whether a society for which the dignity of the individual is the supreme value can, without a fundamental inconsistency, follow the practice of deliberately putting one of its members to death.

Use of a mentally ill person's involuntary confession is antithetical to the notion of fundamental fairness embodied in the due process clause.

While 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.