By penances, by Brahmacharya, by study, the great Rishis, casting off their bodies, go to regions which are above the power of Death.
तपसा ब्रह्मचर्येण स्वाध्यायेन महर्षयः। विमुच्य देहांस्ते यान्ति मृत्योरविषयं गताः॥