Going to the great lake, the son of Kashyapa engaged himself in great austerities. And that celestials-like Rishi became fatigued after a long period of time.
महाह्रदं समासाद्य काश्यपस्तपसि स्थितः। दीर्घकालं परिश्रान्त ऋषिः स देवसम्मितः॥