“All this [wealth] excludes but one evil,—poverty.”
1777
Bartlett's Familiar Quotations, 10th ed. (1919), Life of Johnson (Boswell)
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Samuel Johnson 362
English writer 1709–1784Related quotes

Source: Healing Our World: The Other Piece of the Puzzle, (1993), p. 147

“…in order to change poverty into wealth, one must start by displaying it.”
(420).
Saint Genet, Actor and Martyr (1952)

“The safest wealth is the poverty of needs.”
Der sicherste Reichtum ist die Armut an Bedürfnissen.
Zwischen oben und unten (1946), p. 315

“… a wealth of information creates a poverty of attention…”
Simon, H. A. (1971) "Designing Organizations for an Information-Rich World" in: Martin Greenberger, Computers, Communication, and the Public Interest, Baltimore. MD: The Johns Hopkins Press. pp. 40–41.
1960s-1970s
Context: In an information-rich world, the wealth of information means a dearth of something else: a scarcity of whatever it is that information consumes. What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention and a need to allocate that attention efficiently among the overabundance of information sources that might consume it.
Part 3, Chapter 14, Dividing the Pie, p. 168
Economics For Everyone (2008)

Letter to A.S. Suvorin (February 23, 1890)
Letters

“If either wealth or poverty are come by honesty, there is no shame.”

“Contentment is natural wealth; luxury, artificial poverty.”
As reported by Charles Simmons in A Laconic Manual and Brief Remarker, containing over a thousand subjects alphabetically and systematically arranged (North Wrentham, Mass. 1852), p. 103 http://books.google.de/books?id=YOAyAQAAMAAJ&pg=PA103&dq=socrates. However, the original source of this statement is unknown.
Cf. Joseph Addison in The Spectator No. 574 Friday, July 30, 1714, p. 655 http://books.google.de/books?id=K1cdAAAAMAAJ&pg=PA655&dq=socrates: In short, content is equivalent to wealth, and luxury to poverty; or, to give the thought a more agreeable turn, "content is natural wealth," says Socrates: to which I shall add, "luxury is artificial poverty.".
Attributed

“The evils of poverty are not barren, but procreative”
Source: Poverty (1912), p. v
Context: The evils of poverty are not barren, but procreative, and... the workers in poverty, are in spite of themselves, giving to the world a litter of miserables, whose degeneracy is so stubborn and fixed that reclamation is almost impossible, especially when the only process of reclamation must consist in trying to force the pauper, vagrant, and weakling back into that struggle with poverty which is all of the time defeating stronger and better natures than theirs.