I guess it's a reference to the "it's turtles all the way down" expression: https://en.wikipedia.org/wiki/Turtles_all_the_way_down https://en.wikipedia.org/wiki

I guess it's a reference to the "it's turtles all the way down" expression: https://en.wikipedia.org/wiki/Turtles_all_the_way_down https://en.wikipedia.org/wiki/Turtles_all_the_way_down