To build a folly is essentially to do something a second time, something at an inopportune moment. That something is always the memory of something forgotten, about which we can paradoxically say "There it is again."
Follies were misunderstood, purposeless constructions. They were often only small, extravagant gestures in a garden, easily whisking off the imagination to distant lands, a sort of time capsule built to awaken the memory and induce surprise in passers-by. They marked locations, organized secondary paths in a park, or simply predicted the arrival of better times—a demarcation, a sacred spot, a mysterious trail, a hill whose tragic rocky nature begged for a tower, a party, or the arrival of summer.
“It is demonstrably true that things cannot be other than as they are. For, everything having been made for a purpose, everything is necessarily for the best purpose.” — Professor Pangloss
Though you might not think it from the comic, I’m actually sympathetic to questions about tools and process, as I myself am a kind of process junky. I love hearing about how other writers work.
I’m also not someone who dismisses questions about tools with the line “the tools don’t matter.” In fact, I think tools matter so much that if you don’t talk about them correctly you can do some damage.
...What I love about John Gardner and Lynda Barry is that they believe that the tools you use do matter, but the point, for them, is finding the proper tools that get you to a certain way of working in which you can get your conscious, mechanical mind out of the way so that your dreaming can go on, undeterred.
You have to find the right tools to help your voice sing.