Instruct: Classify Amazon reviews into positive or negative sentiment
Query: So simple, and yet ...

This, I believe is a beautiful, and haunting tale of how to receive, by giving, so that you can receive, and give again, and on, and on, and on. Oh, that I could manifest these principles in my life... A book that allows us a glimpse of the mystery, and wonder of our universe ... the circle that turns, and turns, yet never ends. A must read for all.