Show HN is for things you've made people can try and excludes most reading material - you can just skip the 'Show HN' prefix for that. Take a look at https://news.ycombinator.com/showhn.html

« To understand recursion, you must understand recursion. »

In other words "go your way" you will not understand anything about recursion if you are not among the lucky ones. In this paper, taking forgotten byways, I propose to demonstrate the opposite, to show why recursion is consubstantial to us and why it concerns us all as humans.