“Every one of the great revolutionists, from Isaiah to Shelley, have been optimists. They have been indignant, not about the badness of existence, but about the slowness of men in realizing its goodness.”
"Introduction"
The Defendant (1901)
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G. K. Chesterton 229
English mystery novelist and Christian apologist 1874–1936Related quotes

“The world's great men have not commonly been great scholars, nor its great scholars great men.”
The Autocrat of the Breakfast Table (1858)

“We have always been shameless about stealing great ideas.”
Triumph of the Nerds (1996)
1990s

Source: The Riverworld series, The Dark Design (1977), Ch. 67

"Correia on the Classics", Monster Hunter Nation http://monsterhunternation.com/2011/01/12/correia-on-the-classics/, 2010-01-12

The Philosopher
The Note-Books of Samuel Butler (1912), Part XI - Cash and Credit

Stephen Tobolowsky in a Facebook post on August 16, 2014 https://www.facebook.com/stephentobolowsky/photos/a.720745797941988.1073741825.113073725375868/922749314408301.