Of course, like druids everywhere else they believed in the essential unity of all life, the healing power of plants, the natural rhythm of the seasons and the burning alive of anyone who didn't approach all this in the right frame of mind, but they had also thought long and hard about the very basis of creation and had formulated the following theory:
The universe, they said, depended for its operation on the balance of four forces which they identify as charm, persuasion, uncertainty and bloody-mindedness.