quoted in "Racial Tactics Backfire", an article on page 12 of Texas Monthly Vol. 4 No. 7, July 1976 https://books.google.ca/books?id=zCwEAAAAMBAJ&pg=PA12. According to Brian B. Behnken on page 184 of the 2011 book Fighting Their Own Battles: Mexican Americans, African Americans, and the Struggle for Civil Rights in Texas https://books.google.ca/books?id=SYoy9QhqvloC&pg=PA184 this was said at a MAYO rally in 1969.
“Kill the gringo. What I mean is we must kill the gringo economically and politically but not necessarily physically unless, of course, the worst comes to the worst.”
page 10523 of HOUSE OF REPRESE.NTATIVES-Monday, April 28, 1969. This is on page 27/99 of the part 8-5 PDF https://www.gpo.gov/fdsys/pkg/GPO-CRECB-1969-pt8/pdf/GPO-CRECB-1969-pt8-5.pdf ( archive http://archive.is/753l4). According to Behnken this was said "a few weeks later" to clarify the preceding MAYO rally quote. Gonzalez describes it as "Last Tuesday, at Kingsville" indicating it was said 22 April 1969.
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José Ángel Gutiérrez 4
American academic 1944Related quotes

“Self respect is something that can't be killed. The worst thing is to kill a man's pretense at it.”
Source: The Fountainhead
“What we’ve been told we want, by liars more skilled than ourselves.”
continuity (37) “Storage”
Stand on Zanzibar (1968)

“All men kill the thing they hate, too, unless, of course, it kills them first.”
"The Crow and the Scarecrow", The New Yorker (date unknown); Further Fables for Our Time (1956). This is derived from Oscar Wilde's statement "All men kill the thing they love..."
From Fables for Our Time and Further Fables for Our Time

“I went to the worst of bars hoping to get killed but all I could do was to get drunk again.”
Source: Henri Cartier-Bresson: Interviews and Conversations, 1951-1998, Conversation. Interview with Byron Dobell (1957), p. 38

As quoted in "Dark Lens on America" in The New York Times Magazine (14 January 1990) http://query.nytimes.com/gst/fullpage.html?res=9C0CE0D6113FF937A25752C0A966958260&sec=&spon=&pagewanted=all

Source: A Thousand & One Epigrams: Selected from the Writings of Elbert Hubbard (1911), p. 15.