“If the citizens are wealthy, the country is strong. The King's storehouse is his people.”

2015, Remarks at Panama Civil Society Forum (April 2015)

LI, last lines
Carmina

Political Aphorisms, Moral and Philosophical Thoughts (1848)

Quoted from his book https://en.wikipedia.org/wiki/Success_and_Failure_Based_on_Reason_and_Reality, "Success and Failure Based on Reason and Reality" https://www.amazon.co.uk/SUCCESS-FAILURE-BASED-REASON-REALITY/dp/9970983903/
2018

which they do not control
Ten principles for a Black Swan-proof world http://www.ft.com/cms/s/0/5d5aa24e-23a4-11de-996a-00144feabdc0.html?nclick_check=1, Financial Times, 2009-04-07.
Ten principles for a Black Swan-proof world (2009)

1910s, The World Movement (1910)
Context: Each people can do justice to itself only if it does justice to others; but each people can do its part in the world movement for all only if it first does its duty within its own household. The good citizen must be a good citizen of his own country first before he can with advantage be a citizen of the world at large.

Part I, ch. XII.
Letters of Two Brides (1841-1842)
Context: A country is strong which consists of wealthy families, every member of whom is interested in defending a common treasure; it is weak when composed of scattered individuals, to whom it matters little whether they obey seven or one, a Russian or a Corsican, so long as each keeps his own plot of land, blind in their wretched egotism, to the fact that the day is coming when this too will be torn from them.

"The Vietnam Fallout," speech to the Bureau of Advertising of the American Newspaper Association, Waldorf-Astoria Hotel, New York City (April 28, 1966), in Senator Fulbright: Portrait of a Public Philosopher (1966)