This appears not to be a Kerouac quote. It has not been found in any of Kerouac's published work.
Misattributed
“There is, of course, a tipping point. There have been times when I realized that someone can’t be helped, because they continue doing the wrong things. Typically, the only time I cut someone off is when they’re in jail, because I can’t help them there.”
Stardom Doesn’t Change Where You’re From (April 02, 2014)
Help us to complete the source, original and additional information
Richard Sherman (American football) 17
American football player 1988Related quotes
Exclusive Interview with Aron Ra – Public Speaker, Atheist Vlogger, and Activist https://conatusnews.com/interview-aron-ra-past-president-atheist-alliance-america/, Conatus News (May 17, 2017)
Gordon Chang: NBA Controversy Shows China Is ‘Weaponizing Our Companies Against Us’ https://www.breitbart.com/radio/2019/10/08/gordon-chang-nba-controversy-shows-beijing-is-weaponizing-our-companies/ (8 October 2019)
Quoted in "Funny Ladies: The Best Humor from America's Funniest Women", p. 7 http://books.google.co.uk/books?id=KOVGUVYj2XUC&pg=PA7&dq=%22I'm+not+as+klutzy+as+I+used+to+be%22&hl=en&sa=X&ei=Jfz6Tt78KpSm8gPfwpXeCA&ved=0CDEQ6AEwAA#v=onepage&q=%22I'm%20not%20as%20klutzy%20as%20I%20used%20to%20be%22&f=false
Don’t Get Weak http://article.nationalreview.com/?q=YmU0NGQ0ZTQzZTU4Zjk4MjdjZWMzYTM4Nzk2MzQ0MGI, National Review, May 1, 2007.
2000s
p 261
21 Yaks And A Speedo (2013)
On his role in the parole of Jack Abbott, during which Abbot killed a man.
Interview for French TV (1998)
Si je crois en Dieu? Oui, quand je travaille. Quand je suis soumis et modeste, je me sens tellement aidé par quelqu'un qui me fait faire des choses qui me surpassent. Pourtant je ne me sens envers lui aucune reconnaissance car c'est comme si je me trouvais devant un prestidigitateur dont je ne puis percer les tours.
1940s, Jazz (1947)