I cannot undertake to lay my finger on that article of the Constitution which granted a right to Congress of expending, on objects of benevolence, th… - James Madison

It will be of little avail to the people, that the laws are made by men of their own choice, if the laws be so voluminous that they cannot be read, or so incoherent that they cannot be understood; if they be repealed or revised before they are promulgated, or undergo such incessant changes that no man, who knows what the law is today, can guess what it will be to-morrow.

In framing a system which we wish to last for ages, we shd. not lose sight of the changes which ages will produce. [James Madison in the U.S. Constitutional Convention, June 26, 1787. The Records of the Federal Convention of 1787, ed. Max Farrand (New Haven: Yale University Press, 1966), 1:422.]

If men were angels, no government would be necessary. If angels were to govern men,
neither external nor internal controls on government would be necessary. In framing a
government which is to be administered by men over men, the great difficulty lies in
this: you must first enable the government to control the governed; and in the next
place oblige it to control itself. A dependence on the people is, no doubt, the
primary control on the government; but experience has taught mankind the necessity of
auxiliary precautions.