“Well, what kind of thing does make you feel calm and peaceful?"
"Killing demons. A good clean kill is very relaxing. The messy ones are more annoying, because you have to clean up afterward--"
"No. No killing. We're trying to make you feel peaceful. Blood, killing, war, those are all non-peaceful things. Isn't there anything else you like?"
"Weapons. I like weapons.”
"I'm starting to think we have a problematic issue of personal philosophy here."
Jordan Kyle and Jace Herondale, pg. 27-29
The Mortal Instruments, City of Heavenly Fire (2014)
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Sam, Harris, Losing Our Spines to Save Our Necks, Huffingtonpost.com, 19 March 2011, 5 May 2008 http://www.huffingtonpost.com/sam-harris/losing-our-spines-to-save_b_100132.html, (updated 25 May 2011)
2000s

The Mentalist Finale Interview https://ew.com/article/2011/05/26/the-mentalist-finale/ (May 26, 2011)
“But you can't kill a demon because they're evil spirits, like a ghost.”
Chick tracts, " What's Worse? http://www.chick.com/reading/tracts/1092/1092_01.asp" (2014)