That king, possessing the eye of knowledge, thought from ignorance that his eldest son Duryodhana had been chosen by the daughter of Drupada.
मन्यते स वृतं पुत्रं ज्येष्ठं दुपदकन्यया। दुर्योधनमविज्ञानात् प्रशाचक्षुर्नरेश्वरः॥