Mahabharata 1.7.21

यथा सूर्यांशुभिः स्पृष्टं सर्वं शुचि विभाव्यतेतथा त्वदर्चिर्निर्दग्धं सर्वं शुचि भविष्यति

yathā sūryāṃśubhiḥ spṛṣṭaṃ sarvaṃ śuci vibhāvyatetathā tvadarcirnirdagdhaṃ sarvaṃ śuci bhaviṣyati

Our plain-language meaning of this verse is waiting for scholar review.