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.
William J. BrennanCapital punishment...treats members of the human race...as objects to be toyed with and discarded.
William J. BrennanWe do not consecrate the flag by punishing its desecration, for in doing so, we dilute the freedom this cherished emblem represents.
William J. Brennan