The 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 MarshallLet the end be legitimate, let it be within the scope of the constitution, and all means which are appropriate, which are plainly adapted to that end, which are not prohibited, but consist with the letter and spirit of the constitution, are constitutional.
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