Background:

This a personal pledge is found on dozens locations on the Internet. It has been attributed to "Anon," and to many other authors. Often, it is shown without attributing the work to anyone.

It seems to have been written by Selena Fox of Circle Sanctuary. She describes her personal Pagan spiritual path, including the use of spiritual energy to help others, of tolerance, avoidance of harm to others, Karma, the Three-fold Law, the Goddess and God within, etc.
A pledge: