He had crossed over to the Great Tang and become a prince that Li Shimin didn’t value.
Li Shimin: My son, the Turks are coming. Follow me!
Li Jiang said,"Father, please sit down. I have brought the head of the Turkic Khan."
Li Shimin: It is said that there are countries in the far west?
Li Jiang said,"Father, please sit down. I’ll be back soon."
Li Shimin: Why don’t I give you the throne?
Li Jiang: " No, you have to worry about the food and drink of the whole country when you’re the emperor. You should do it."
The world was in his hands.