Mahabharata 3.207.14

अग्निरुवाचनष्टकीर्तिरहं लोके भवाञ्जातो हुताशनःभवन्तमेव ज्ञास्यन्ति पावकं न तु मां जनाः

agniruvācanaṣṭakīrtirahaṃ loke bhavāñjāto hutāśanaḥbhavantameva jñāsyanti pāvakaṃ na tu māṃ janāḥ

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