In 12 Step circles the convention is generally capitalization see Big Book quotes For many 12 Steppers HP is interchangeable with God and yet allows those who aren t believers in a single God figure to be included without having to ascribe to such a God It s a piece of multivalent jargon and its very ambiguity has ensured its usefulness and increasing popularity Only wish I had a source to quote for it For now that ambiguity is simply reflected in the varying perspectives on the page