Bhagavad Gita 1.3

पश्यैतां पाण्डुपुत्राणामाचार्य महतीं चमुम्।
व्यूधां द्रुपदपुत्रेण तव शिष्येण धीमता

Translation

Duryodhan said: Respected teacher! Behold the mighty army of the sons of Pandu, so expertly arrayed for battle by your own gifted disciple, the son of Drupad.