Wow, great piece, thanks for sharing it!
While reading it I was absolutely sure I've already heard it. For the first part I thought it's the transcript of the text they read in Vipassana retreat, and for the second I thought it must be from Alan Watts. But from the rest of the blog and from the comments here I understand that it's neither, and that it's just your thoughts. It reads really nicely, like a river.
I also noticed that your previous blog's name (stormrider) is somehow similar to mine (cyclinginthewind) haha.