“It is preposterous to suppose that the people of one generation can lay down the best and only rules of government for all who are to come after them, and under unforeseen contingencies.”
Source: 1880s, Personal Memoirs of General U. S. Grant (1885), Ch. 16.
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Ulysses S. Grant 177
18th President of the United States 1822–1885Related quotes

Tokyo, Japan, October 3, 1972 (And it is Divine, July 1973)
1970s

Neither Democrats, Nor Dictators: Anarchists (1926)
Context: The "government of all the people", if we have to have government, can at best be only the government of the majority. And the democrats, whether socialists or not, are willing to agree. They add, it is true, that one must respect minority rights; but since it is the majority that decides what these rights are, as a result minorities only have the right to do what the majority wants and allows. The only limit to the will of the majority would be the resistance which the minorities know and can put up. This means that there would always be a social struggle, in which a part of the members, albeit the majority, has the right to impose its own will on the others, yoking the efforts of all to their own ends.
And here I would make an aside to show how, based on reasoning backed by the evidence of past and present events, it is not even true that where there is government, namely authority, that authority resides in the majority and how in reality every "democracy" has been, is and must be nothing short of an "oligarchy" – a government of the few, a dictatorship. But, for the purposes of this article, I prefer to err on the side of the democrats and assume that there can really be a true and sincere majority government.
Government means the right to make the law and to impose it on everyone by force: without a police force there is no government.

“Rules, after all, are only made so you can work around them”
Source: 2 States: The Story of My Marriage

Reported in The Episcopalian: Volume 138 (1973), p. 12.

From "Living Fearlessly in a Fearless World" Ignatieff Commencement Address to Whitman College (USA), 2004

Context: You cannot judge all men by the one standard, any more than you can make shoes for all of them on the same last. No law that ever darkened white paper in the printing can lay down a rule of conduct for all men to follow alike.

Source: The Chaplet https://www.newadvent.org/fathers/0304.htm, Chapter V

Address to the Convention (4 June 1788) http://www.wwnorton.com/college/history/archive/resources/documents/ch07_04.htm
Addresses to the Virginia Ratifying Convention (1788)
Context: Does any man suppose that one general national government can exist in so extensive a country as this? I hope that a government may be framed which may suit us, by drawing a line between the general and state governments, and prevent that dangerous clashing of interest and power, which must, as it now stands, terminate in the destruction of one or the other. When we come to the judiciary, we shall be more convinced that this government will terminate in the annihilation of the state governments: the question then will be, whether a consolidated government can preserve the freedom and secure the rights of the people.
If such amendments be introduced as shall exclude danger, I shall most gladly put my hand to it. When such amendments as shall, from the best information, secure the great essential rights of the people, shall be agreed to by gentlemen, I shall most heartily make the greatest concessions, and concur in any reasonable measure to obtain the desirable end of conciliation and unanimity…

No Compromise – No Political Trading (1899)