Witches cast spells, not to do evil, but to promote changes of consciousness. Witches cast spells as acts of redefinition. To respell the world means to redefine the root of our being. It means to redefine us and therefore change us by returning us to our original consciousness of magical-evolutionary processes...

― Monica Sjöö, The Great Cosmic Mother: Rediscovering the Religion of the Earth

Art by Reti Toriella, illustration from 'Cerridwen and the Cauldron: a Celtic Tale of Magic'