States, like individuals, who observe their engagements, are respected and trusted: while the reverse is the fate of those who pursue an opposite conduct.

The principal purposes to be answered by union are these the common defense of the members; the preservation of the public peace as well against internal convulsions as external attacks; the regulation of commerce with other nations and between the States; the superintendence of our intercourse, political and commercial, with foreign countries.

Constitutions of civil government are not to be framed upon a calculation of existing exigencies, but upon a combination of these with the probable exigencies of ages, according to the natural and tried course of human affairs. Nothing, therefore, can be more fallacious than to infer the extent of any power, proper to be lodged in the national government, from an estimate of its immediate necessities.

The inhabitants of territories, often the theatre of war, are unavoidably subject to frequent infringements on their rights, which serve to weaken their sense of those rights; and by degrees, the people are brought to consider the soldiery not only as their protectors but as their superiors.

Of all the cares or concerns of government, the direction of war most peculiarly demands those qualities which distinguish the exercise of power by a single hand. The direction of war implies the direction of the common strength; and the power of directing and employing the common strength, forms a usual and essential part in the definition of the executive authority.

The interpretation of the laws is the proper and peculiar province of the courts. A constitution is, in fact, and must be regarded by the judges, as fundamental law. It therefore belongs to them to ascertain its meaning, as well as the meaning of any particular act proceeding from the legislative body. If there should happen to be an irreconcilable variance between the two, that which has the superior obligation and validity ought, of course, to be preferred; or, in other words, the Constitution ought to be preferred to the statute, the intention of the people to the intention of their agents.

Manufacturing establishments not only occasion a positive augmentation of the produce and revenue of the society . . . they contribute essentially to rendering them greater than they could possibly be, without such establishments. These circumstances are . . . greater scope for the diversity of talents and dispositions which discriminate men from each other.