“I've always understood that we went to war on account of the thing we quarreled with the north about. I've never heard of any other cause of quarrel than slavery.”

Source: Characteristics: In the Manner of Rochefoucault's Maxims

Speech in Manchester (21 April 1908), quoted in Better Times: Speeches by the Right Hon. D. Lloyd George, M.P., Chancellor of the Exchequer (London: Hodder & Stoughton, 1910), p. 43.
Chancellor of the Exchequer

Richter.
1820s, Critical and Miscellaneous Essays (1827–1855)
Context: Originality is a thing we constantly clamour for, and constantly quarrel with; as if, observes our author himself, any originality but our own could be expected to content us! In fact all strange thing are apt, without fault of theirs, to estrange us at first view, and unhappily scarcely anything is perfectly plain, but what is also perfectly common.

Letter to Samuel "Sam" Chapman (June 1907)
Context: The South went to war on account of slavery. South Carolina went to war, as she said in her secession proclamation, because slavery would not be secure under Lincoln. South Carolina ought to know what was the cause for her seceding. The truth is the modern Virginians departed from the teachings of the Father's.

Betsy and I Are Out (1871)

Interview, live at Coachella http://www.youtube.com/watch?v=8YMwcXBePqE
Context: I've never really been into flags of any kind, cause flags can bring people together, but they always bring people together against other people, and I don't really consider myself to be a patriot in the sense that I say, 'okay, this is my nation,' I consider myself to be a child of this whole planet.

The CNN/YouTube Republican presidential debate http://www.cnn.com/2007/POLITICS/11/28/debate.transcript/
2000s, 2007

Broadcast (27 September 1938), quoted in "Prime Minister on the Issues", The Times (28 September 1938), p. 10
Referring to the Czechoslovakia crisis
Prime Minister

As quoted in "A Conversation Runs Through It" by Bruce Handy in Time magazine (13 October 1997)