The protectors of the car-wheels of that high-souled personage were the Athurvan and Angiras; and Rigveda, Samaveda and Purana stood at the front of that car.
अथर्वाङ्गिरसावास्तां चक्ररक्षौ महात्मनः। ऋग्वेदः सामवेदश्च पुराणं च पुरःसराः॥