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 MadisonThere is a degree of depravity in mankind which requires a certain degree of circumspection and distrust.
James Madison[T]he great security against a gradual concentration of the several powers in the same department consists in giving to those who administer each department the necessary constitutional means and personal motives to resist encroachment of the others.
James MadisonNo power over the freedom of religion [is] delegated to the United States by the Constitution.
James MadisonPlace three individuals in a situation wherein the interest of each depends on the voice of the others, and give to two of them an interest opposed to the rights of the third. Will the latter be secure? The prudence of every man would shun the danger. The rules & forms of justice suppose & guard against it. Will two thousand in a like situation be less likely to encroach on the rights of one thousand?
James Madison