On his relationship with home state Texas in “SIN MUROS: INTERVIEW WITH “LIVING SCULPTURE” PLAYWRIGHT MANDO ALVARADO” https://thetheatretimes.com/sin-muros-interview-living-sculpture-playwright-mando-alvarado/ in The Theatre Times
“Texas is a state of mind. Texas is an obsession. Above all, Texas is a nation in every sense of the word. And there’s an opening convey of generalities. A Texan outside of Texas is a foreigner.”
Pt. 4
Travels With Charley: In Search of America (1962)
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John Steinbeck 366
American writer 1902–1968Related quotes
Op-Ed: Obama’s Transgender Directive a “Come and Take It” Moment for Texas Parents https://www.ltgov.state.tx.us/2016/05/20/op-ed-obamas-transgender-directive-a-come-and-take-it-moment-for-texas-parents/ (May 20, 2016)

“Saskatchewan is much like Texas — except it's more friendly to the United States.”
This was attributed to Stevenson without reference in 1001 Greatest Things Ever Said About Texas (2006) by Donna Ingham, p. 92. It was also attributed without reference in "Reporters' Notebook", The Buffalo News, September 24, 1992. No closer connection to Stevenson has been found.
Disputed
Shrub Flubs His Dub http://www.thenation.com/article/shrub-flubs-his-dub, May 31, 2001. Retrieved October 24, 2011.
Context: The next time I tell you someone from Texas should not be president of the United States, please, pay attention.
Bush was replaced by his exceedingly Lite Guv Rick Perry, who has really good hair. Governor Goodhair, or the Ken Doll (see, all Texans use nicknames—it's not that odd), is not the sharpest knife in the drawer. But the chair of a major House committee says, "Goodhair is much more engaged as governor than Bush was." As the refrain of the country song goes, "O Please, Dear God, Not Another One."
Cameron Country, broadcast on BBC TV, July 12, 1969.

Ann Richards Discusses Texas, Politics and Humor on Larry King Live http://edition.cnn.com/TRANSCRIPTS/0101/23/lkl.00.html, CNN, January 23 2001
2001