The verse is,-My wealth is boundless, yet I have nothing. If the whole of Mithila were burnt to ashes, nothing of mine will be burnt.
अनन्तं बत मे वित्तं यस्य मे नास्ति किञ्चन। मिथिलायां प्रदीप्तायां न मे दह्यति किञ्चन॥