Here we see a 1900 Valentine Cameron Prinsep illustration of Odin, the Norse god of war and king of the gods, accompanied by his raven companions Huginn and Muninn. As Joe and I discuss in the podcast episode "The Unsettling Depths of Bird Intelligence," Norse myth-makers were ahead of the curve on bird cognition -- at least as far as symbolism goes.
For Huginn and Muninn are also part of Odin. They are his thoughts and memories, respectively. It makes the following Odin-attributed lines all the more potent:
You can read more about the myth over at NorseMythology.org.