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.
John MarshallWhen a law is in its nature a contract, when absolute rights have vested under that contract, a repeal of the law cannot divest those rights.
John MarshallAn unlimited power to tax involves, necessarily, a power to destroy; because there is a limit beyond which no institution and no property can bear taxation.
John Marshall