The black thing in her brain and the dark water on the page were the same thing, a form of knowledge. This is how myths work. They are things, creatures, stories, inhabiting the mind. They cannot be explained and do not explain; they are neither creeds nor allegories. The black was now in the thin child’s head and was part of the way she took in every new thing she encountered.
― A.S. Byatt, Ragnarok