The federal government is acknowledged by all to be one of enumerated powers. The principle, that it can exercise only the powers granted to it . . . is now universally admitted.
John MarshallIt is emphatically the province and duty of the Judicial Department to say what the law is.
John MarshallCertainly all those who have framed written constitutions contemplate them as forming the fundamental and paramount law of the nation, and consequently the theory of every such government must be, that an act of the legislature, repugnant to the constitution, is void.
John MarshallThe law does not expect a man to be prepared to defend every act of his life which may be suddenly and without notice alleged against him.
John Marshall