Spirituality.
Read Richard Rohr.
Eckhart Tolle.
Paramahansa Yogananda.
Roy Eugene Davis
And I too would add Norseman's Kahlil Gibran. Read him when I was 19. Opens your thinking.
Hey Scattered Sheep. Here is a video about religion:
http://www.youtube.com/watch?v=rX9PmcWo6O0