Yggdrasil

"Where did you get this Christmas tree?" "Nowhere." "Did you cut down the Yggdrasil?" "Maybe..."

"An ash I know there stands, Yggdrasill is its name, a tall tree, showered with shining loam. From there come the dews that drop in the valleys. It stands forever green over Urðr's well."

"Does Yggdrasil drink from it because it is the Well of Wisdom, or is it the Well of Wisdom because Yggdrasil drinks from it?"

"I know that I hung on the windy tree Nine full nights, Pierced by a spear offered to Odin Myself to myself of which none knows Upon that tree Where its roots run..."