"If the end be clearly comprehended within any of the specified powers, and if the measure have an obvious relation to that end, and is not forbidden by any particular provision of the Constitution, it may safely be deemed to come within the compass of the national authority."

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I repeat that in this sense the most splendid court in Christendom is provincial, having authority to consult about Transalpine interests only, and not the affairs of Rome. A prætor or proconsul would suffice to settle the questions which absorb the attention of the English Parliament and the American Congress.

— Henry David Thoreau