What is to be the consequence, in case the Congress shall misconstrue this part [the necessary and proper clause] of the Constitution and exercise powers not warranted by its true meaning, I answer the same as if they should misconstrue or enlarge any other power vested in them . . . the success of the usurpation will depend on the executive and judiciary departments, which are to expound and give effect to the legislative acts; and in a last resort a remedy must be obtained from the people, who can by the elections of more faithful representatives, annul the acts of the usurpers.
James MadisonIn framing a government which is to be administered by men over men you must first enable the government to control the governed; and in the next place oblige it to control itself.
James MadisonThe American people owe it to themselves, and to the cause of free Government, to prove by their establishments for the advancement and diffusion of knowledge, that their political Institutionsare as favorable to the intellectual and moral improvement of Man as they are conformable to his individual and social rights.
James MadisonFrom the the protection of different and unequal faculties of acquiring property, the possession of different degrees and kinds of property immediately results.
James Madison