The First Amendment guarantees liberty of human expression in order to preserve in our Nation what Mr. Justice Holmes called a "free trade in ideas." To that end, the Constitution protects more than just a man's freedom to say or write or publish what he wants. It secures as well the liberty of each man to decide for himself what he will read and to what he will listen. The Constitution guarantees, in short, a society of free choice.
Potter StewartThe dichotomy between personal liberties and property rights is a false one. Property does not have rights. People have rights.
Potter StewartAbortion is inherently different from other medical procedures, because no other procedure involves the purposeful termination of a potential life.
Potter StewartA person's mere propinquity to others independently suspected of criminal activity does not give rise to probable cause to search that person.
Potter Stewart