Ethics is knowing the difference between what you have a right to do and what is right to do.
Potter StewartI shall not attempt further to define the kinds of material I understand to be embraced within that shorthand description (of pornography), and perhaps I could never succeed in intelligibly doing so. But I know it when I see it, and the motion picture involved in this case is not that.
Potter StewartFor the Fourth Amendment protects people, not places. What a person knowingly exposes to the public, even in his own home or office, is not a subject of Fourth Amendment protection. But what he seeks to preserve as private, even in an area accessible to the public, may be constitutionally protected.
Potter StewartIn fact, a fundamental interdependence exists between the personal right to liberty and the personal right to property.
Potter Stewart