what was the moral of this story?
....he was paying him a compliment :shrug:
That he any uchiha so he shouldnt have there eye?
He is saying that kakashi's body is suitable enough to control the Sharingan properly, but he will never be able to control it to the extent of Uchihas because he does not have their blood.
Then he asks him if he knows why uchihas were feared as the strongest clan. He's referring to mangekyou sharingan and its abilities