The progress of science in furnishing the government with means of espionage is not likely to stop with wire tapping. Ways may some day be developed by which the government, without removing papers from secret drawers, can reproduce them in court, and by which it will be enabled to expose to a jury the most intimate occurrences of the home. Advances in the psychic and related sciences may bring means of exploring unexpressed beliefs, thoughts and emotions. 'That places the liberty of every man in the hands of every petty officer' was said by James Otis of much lesser intrusions than these.
Louis D. BrandeisI think all of our human Experience shows that no one with absolute power can be trusted to give it up even in part
Louis D. BrandeisTo declare that in the administration of criminal law the end justifies the means to declare that the Government may commit crimes in order to secure conviction of a private criminal would bring terrible retribution.
Louis D. BrandeisWe learned long ago that liberty could be preserved only by limiting in some way the freedom of action of individuals; that otherwise liberty would necessarily yield to absolutism; and in the same way we have learned that unless there be regulation of competition, its excesses will lead to the destruction of competition, and monopoly will take its place.
Louis D. Brandeis