No political dreamer was ever wild enough to think of breaking down the lines which separate the States and compounding the American people into one common mass.

A corporation is an artificial being, invisible, intangible, and existing only in contemplation of law.

It is emphatically the province and duty of the judicial department to say what the law is...If two laws conflict with each other, the courts must decide on the operation of each...This is of the very essence of judicial duty.

No political dreamer was ever wild enough to think of breaking down the lines which separate the States and compounding the American people into one common mass.

In a free government almost all other rights would become worthless if the government possessed power over the private fortune of every citizen.

State inspection laws, health laws, and laws for regulating the internal commerce of a State, and those which respect turnpike roads, ferries, &c. are not within the power granted to Congress. ... Inspection laws, quarantine laws, health laws of every description, as well as laws for regulating the internal commerce of a State, and those which respect turnpike roads, ferries, &c., are component parts of this mass. No direct general power over these objects is granted to Congress, and, consequently, they remain subject to State legislation.

It is emphatically the province and duty of the Judicial Department to say what the law is.