They serve, simply, as food for thought, and implore no rigid list of 'should's' and 'should not's' for attaining enlightenment. They make no promises of continual Epiphanic bliss, yet, acknowledge the Miracles surrounding us.
The ideology presented is only the discernment of Life 'within' yourself, and the impact of your perceptions of the world you are surrounded by 'without'. Perhaps, there is no other way to live it...
