Odin is also a god of Magic and Wisdom (or, rather, a Patron Aesir of Magic and Wisdom). The stereotypical wizard (read: Gandalf) was based upon a guise he would use when traveling Midgard incognito – in his case, the big hat was to hide his missing eye. And he’s MISSING said eye because he plopped it in The Well of Wisdom – one of a few cringe-worthy things he did to sate his thirst for knowledge.
Odin is also a god of Magic and Wisdom (or, rather, a Patron Aesir of Magic and Wisdom). The stereotypical wizard (read: Gandalf) was based upon a guise he would use when traveling Midgard incognito – in his case, the big hat was to hide his missing eye. And he’s MISSING said eye because he plopped it in The Well of Wisdom – one of a few cringe-worthy things he did to sate his thirst for knowledge.