... especially for Tolle's thoughts on the manifested/ unmanifested universe. But for a much clearer, and vastly more in depth, analysis I'd recommend the writings of Vernon Howard, especially his book The Mystic Path to Cosmic Power. When I first listened to the PON tapes, I was blown away. I thought Tolle had really discovered something. But when I started tapping into Vernon Howard, I realized that most of what's in the Power of Now is pretty much old news. (He says, a little facetiously.)