Alviss (“All-Wise”) was the dwarf of immense knowledge who came to claim a goddess as his bride — only to be outwitted by Thor, who kept him talking through the whole night with questions of lore until the rising sun turned the dwarf to stone. His tale is a clever and deadly riddle-contest, and a vivid expression of the Norse belief that sunlight is death to the creatures of the dark.
The All-Wise Dwarf
Alviss (Old Norse Alvíss, “all-wise,” “all-knowing”) was a dwarf of extraordinary learning, who knew the lore and the names of all things across all the worlds. He came to Asgard to claim a bride: a daughter of Thor (in the tale, the goddess Thrud) who, Alviss claimed, had been promised to him in marriage. He arrived to take her away — pale, as dwarves are, from his life beneath the earth — confident in his right and his wisdom.
Thor's Cunning Delay
Thor, who had not agreed to give his daughter to a dwarf and had no wish to, devised a clever stratagem rather than simply refusing. He told Alviss that, given the dwarf's reputation for boundless wisdom, he would grant the marriage only if Alviss could answer all his questions and prove his all-knowing learning. The proud dwarf agreed eagerly — and Thor began to question him through the long night. He asked Alviss to name, in the languages of all the different beings (gods, giants, elves, dwarves, men, and the dead), the words for the earth, the sky, the moon, the sun, the clouds, the wind, the sea, fire, the forest, the night, the seed, and the ale. And Alviss, delighting in his own knowledge, answered each question fully, reciting all the many names of all things in all the tongues — never realising that Thor was simply keeping him talking.
The Rising Sun
For Thor's questions had a deadly purpose: to keep the dwarf above ground, talking, until the dawn. Dwarves, as creatures of the dark and the deep earth, could not bear the light of the sun — it turned them to stone. And so, as Alviss recited the last of his vast lore, Thor remarked that he had never met anyone so wise — but that he had tricked him: the sun was rising. “Day dawns upon you now, dwarf,” said Thor; “the sun shines into the hall.” And as the first rays of the morning sun struck Alviss, the all-wise dwarf was turned to stone, his knowledge and his marriage-claim ended together. Thor had defended his daughter not with his hammer but with his wits, using the dwarf's own pride in his learning to keep him chattering into the sunrise.
The Wisdom That Was Outwitted
Alviss endures as one of the most memorable of the Norse dwarves — the all-wise being whose boundless knowledge could not save him from a simple trick, kept talking until the sun turned him to stone. His tale is at once a treasury of Norse poetic lore (the many names of things in the many tongues) and a clever fable: that wisdom alone is not cunning, that pride in one's knowledge can be turned against one, and that even the all-wise dwarf could be outwitted by a god who knew the one thing that mattered — that the dawn was coming.
The all-wise dwarf knew the name of everything in every tongue — but not that Thor was only keeping him talking until the sunrise turned him to stone.