When the god Oðin plucked out an eye to receive all the wisdom in the world, he received two ravens: Thought and Memory.

Here they are in Kerlingardalur, thinking and remembering. What else is consciousness?

Skaftafellsjökull

Well, yes, ice, but that comes from beyond the world. That is unconsciousness. That is what you need thought and memory for, lest they have you.

That’s the way of the black road.