This is a well-known text that has been floating around for many years, even before the internet made it quite freely available. I first saw it when I was a teenager, when my mother gave it to me. Where she found it, I don"t know, probably in some magazine, I imagine. Anyway, she recommended it to me as wisdom - and it is very much in line with her own calm and thoughtful view of life.(It is worth having a look at the...