For 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.

We dedicated ourselves to a powerful idea - organic law rather than naked power. There seems to be universal acceptance of that idea in the nation.

Ethics is knowing the difference between what you have a right to do and what is right to do.

I 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.

Fairness is what justice really is.

We are concerned here only with the imposition of capital punishment for the crime of murder, and when a life has been taken deliberately by the offender, we cannot say that the punishment is invariably disproportionate to the crime. It is an extreme sanction suitable to the most extreme of crimes.

The Court today holds the Congress may say that some of the poor are too poor even to go bankrupt. I cannot agree.