The Federalist Papers · Federalist No. 44 · paragraph 5

The remaining particulars of this clause fall within reasonings which are either so obvious, or have been so fully developed, that they may be passed over without remark. The SIXTH and last class consists of the several powers and provisions by which efficacy is given to all the rest. 1. Of these the first is, the “power to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this Constitution in the government of the United States, or in any department or officer thereof. “Few parts of the Constitution have been assailed with more intemperance than this; yet on a fair investigation of it, no part can appear more completely invulnerable. Without the SUBSTANCE of this power, the whole Constitution would be a dead letter. Those who object to the article, therefore, as a part of the Constitution, can only mean…

Publius · Alexander Hamilton, John Jay, James Madison · 1787–1788
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