Having worshipped with the austerest penances the illustrious god with the horsehead, the Rishi Panchala acquired the science of Karma by going along the path pointed out by the god (Rudra).
आराध्य तपसोग्रेण देवं हयशिरोधरम्। पाञ्चालेन क्रमः प्राप्तो देवेन पथि देशिते॥