The undergo severe asceticism. They have their passions under complete control. They all enter the sun for the protection of creation.
तपस्तप्यन्ति ते तीव्र भवन्ति झूर्ध्वरेतसः। रक्षणार्थं तु भूतानां प्रविशन्ते दिवाकरम्॥