RUDIMENTS, pt. 820 (is this how it went?) Whenever I reached a place where I felt all things were fraying, I stopped; sensing I was far enough along and running towards destruction. That's a big key, knowing when and how to recognize that. 'You can't undo the moment,' was one of those catchwords that got stuck to my mind early on and never left. In a very basic sense, it's quite true - yet, in other senses, things actually can be atoned for, repented of, etc., so that the 'moment' actually does get undone. But that's different too. - Just before an aircraft breaks the speed of sound - the 'sound barrier' - sound waves become visible on the wing of the plane. Now, I don't know if that's high physics, basic science, or some mix of both by conjecture, but what I can attest to is that, as a young kid, at school, in 2nd grade and beyond, I can recall that massive momentary...