@John , I feel you are offering us a great roadmap..my gratitude about your decision on sharing your deep and very inspiring math Knowledge..I´m assuming that it´s not a intro course..then, for me, some barriers are natural and personnal effort, persistency and avoid anxiety are going to allow me to transpose they and, luckly, enjoy the content a 100% ..For me your course is just fine and very inspiring..Please keep it running on line as long as possible..I wish more people (worldwide) could have enough english/math skills to profit of it also..best regards