To obtain a just compromise, concession must not only mutual-it must be equal also....There can be no hope that either will yield more than it gets in return.

An 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.

Have no power, by taxation or otherwise, to retard, impede, burden or in any manner control the operations of the constitutional laws enacted by Congress.

A legislative act contrary to the Constitution is not law.

The people made the Constitution, and the people can unmake it. It is the creature of their own will, and lives only by their will.

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.

I have always believed that national character... depends more on the female part of society than is generally imagined. Precepts from the lips of a beloved mother... sink deep in the heart, and make an impression which is seldom entirely effaced.