When I was 41, I started four years of intense studies in Mathematics at Berea College. I was allowed to study at the half-time level, taking only Mathematics courses. I also studied other topics on my own, such as "Fuzzy Logic". The book featured here is a staple I used, "Foundations of Higher Mathematics", Third Edition. I tutored ten hours a week in Mathematics. I am one of 124 members of the David Bohm Society. He was a theoretical physicist tied to Krishnamurti.