Yudhishthira said O grandfather you are endued with great wisdom and thoroughly grounded in every branch of learning. From this very narrative of the destruction of Vritra the wish has arisen in my mind of asking you a question.
युधिष्ठिर उवाच पितामह महाप्राज्ञ सर्वशास्त्रविशारद। अस्मिन् वृत्रवधे देव विवक्षा मम जायते॥