Thread:Thorin Stonehelm/@comment-25841881-20150807235846/@comment-27723099-20150810140456

Thorin Stonehelm wrote: What? Do you think we just pop out of the ground? Of course you do! You are forged by Aule from the stone of the mountains. What else?

As the Silmarillon states, Aule did not know how Eru's Children would be, so he did not know that they have different genders.