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.

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.

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

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

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.

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.

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.