Skandapurana 17.9.25

17.9.25

kadācitpūrvato yāti gacchanyāti sa paścime ..
dakṣiṇasyāṃ vṛṣo yāti svayaṃ yāti sa cottare .. 25 ..

Sometimes he goes to the east, and while going, he goes to the west; / his bull goes to the south, while he himself goes to the north;