Both the Jargon file quote and a citation from a published book (which has the quote the grandparent posted) are listed on the Wikipedia page:

https://en.wikipedia.org/wiki/Hacker_koan

Eric Raymond kinda butchered the Jargon File when he took over maintenance, so it wouldn't surprise me if some of the text there is invented. The original Jargon File does not contain any koans:

http://www.dourish.com/goodies/jargon.html