Bhagavad Gita · 1.1

धृतराष्ट्र उवाचधर्मक्षेत्रे कुरुक्षेत्रे समवेता युयुत्सवः।मामकाः पाण्डवाश्चैव किमकुर्वत सञ्जय॥

dhṛtarāṣhṭra uvācha dharma-kṣhetre kuru-kṣhetre samavetā yuyutsavaḥ māmakāḥ pāṇḍavāśhchaiva kim akurvata sañjaya

Dhritarashtra asked: O Sanjaya, what did my sons and the sons of Pandu do when they assembled on the holy field of Kurukshetra, eager to fight?

— Bhagavad Gita 1.1

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)