For as from the same piece of clay a potter may fashion either a pot or a tile, so the Devil may shape a witch into a wolf or a cat or even a goat, without subtracting from her and without adding to her at all. For this occurs just as clay is first molded into one, then shaped into another form, for the Devil is a potter and his witches are but clay.
You go from these high hopes when you're writing to just a desperate want of not making a complete fool of yourself by the end of it.