"I want everything" in What I Want from Life (1934) edited by Edmund George Cousins, p. 108
Context: The cynic says "blessed is he who expecteth nothing, for he shall not be disappointed." I say "blessed is he who expecteth everything, for he can't always be disappointed."
“Blessed are they who have nothing to say, and who cannot be persuaded to say it.”
Speech at the banquet for Grand Duke Alexis, 11 November 1871 at the Revere House Hotel in Boston, p. 102 books.google https://books.google.de/books?id=YRmn-_vXZ58C&pg=PA102&dq=persuaded
Cf. George Eliot 1879: Blessed is the man who, having nothing to say, abstains from giving us wordy evidence of the fact
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James Russell Lowell 175
American poet, critic, editor, and diplomat 1819–1891Related quotes

“Blessed is the man who, having nothing to say, abstains from giving us wordy evidence of the fact.”
Source: Impressions of Theophrastus Such, Ch, 4 (1879); comparable to. James Russell Lowell 1871: Blessed are they who have nothing to say, and who cannot be persuaded to say it. https://books.google.de/books?id=YRmn-_vXZ58C&pg=PA102&dq=persuaded
“I cannot write long books; I leave that for those who have nothing to say.”
The Decline and Fall of Science (1976)

Variant: Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
“Writers who have nothing to say always strain for metaphors to say it in.”
The Florence King Reader (1995)

George Bernard Shaw (1909)

[Price, Robert M., w:Robert M. Price, James K. Beilby, Paul Rhodes Eddy, The Historical Jesus: Five Views, https://books.google.com/books?id=O33P7xrFnLQC&lpg=PA227&pg=PA227#v=onepage&q&f=false, 4 February 2010, InterVarsity Press, 978-0-8308-7853-6, 227, Response to James D. G. Dunn]

"The Old Man and the White Horse"
In the Eye of the Storm (1991)
Context: All I know is that the stable is empty, and the horse is gone. The rest I don’t know. Whether it be a curse or a blessing, I can’t say. All we can see is a fragment. Who can say what will come next?