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.

The most lively fancy aided by the strongest description cannot equal the reality of the opera.

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.

A legislative act contrary to the Constitution is not law.

The government of the United States has been emphatically termed a government of laws, and not of men. It will certainly cease to deserve this high appellation, if the laws furnish no remedy for the violation of a vested legal right.

The peculiar circumstances of the moment may render a measure more or less wise, but cannot render it more or less constitutional.

No one imagines that a law professing to tax will be permitted to destroy.