“Humour is consistent with pathos, whilst wit is not.”
Said in 1821, as quoted in Letters and Conversations of S.T. Coleridge (1836) by Thomas Allsop
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Samuel Taylor Coleridge 220
English poet, literary critic and philosopher 1772–1834Related quotes

“The whole nation hitherto has been void of wit and humour, and even incapable of relishing it.”
On Scotland, in a etter to Sir Horace Mann (1778); comparable to "It requires a surgical operation to get a joke well into a Scotch understanding", by Sydney Smith, Lady Holland's Memoir, vol. i. p. 15.

Anthony Ashley-Cooper, 3rd Earl of Shaftesbury, Sensus Communis: An Essay on the Freedom of Wit and Humour (1709), Part 1, Sec. 5, incorrectly attributing it to Gorgias via Aristotle.
Misattributed

“His idea of wit is a barrage of filth and the sort of humour most men grow out of in their teens.”
Ann Widdecombe — reported in Adam Sherwin (December 24, 2008) "Gordon is game for a laugh at Chequers lunch - People Adam Sherwin", The Times, p. 11.
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Source: The Story of My Life

Spectator, No. 68.
Bartlett's Familiar Quotations, 10th ed. (1919)

Sensus Communis: An Essay on the Freedom of Wit and Humour (1709), Part 1, Sec. 5

A Dissertation on Slavery: With a Proposal for the Gradual Abolition of it, in the State of Virginia (1796)

"The Defence Remains Open!" (April 1921), published in Collected Essays, Volume 5: Philosophy edited by S. T. Joshi, p. 54
Non-Fiction
Essays and reviews, Clive James On Television (1991)