You must speak slowly in Shaanxi dialect. Who is the original?

the Monkey King. According to the information about Journey to the West, you must drive slowly in Shaanxi dialect. The original version is from the Monkey King. In The Journey to the West's novel, Pig Bajie likes driving very much and often tells some jokes with his sisters. On a sunny day, the Monkey King earnestly said to Pig Bajie in Shaanxi dialect, "Bajie, you must drive slowly".