《贞观政要·卷九·论征伐》
过些时候他将被安葬，高昌的国民将齐集在一起，到时候用两千骑兵去袭击，定能一举拿下。 
副将薛万均、姜行本皆以为然。
When they will bury him, the people of Gaochang will gather together, when we use 2,000 cavalry to attack, we will definitely capture it in one fell swoop.