Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 1-2
Sanskrit:
श्रीराजोवाचअजातशत्रोस्तं दृष्ट्वा राजसूयमहोदयम् ।सर्वे मुमुदिरे ब्रह्मन् नृदेवा ये समागता: ॥ १ ॥दुर्योधनं वर्जयित्वा राजान: सर्षय: सुरा: ।इति श्रुतं नो भगवंस्तत्र कारणमुच्यताम् ॥ २ ॥
ITRANS:
śrī-rājovācaajāta-śatros tam dṛṣṭvārājasūya-mahodayamsarve mumudire brahmannṛ-devā ye samāgatāḥ
Translation:
Mahārāja Parīkṣit said: O brāhmaṇa, according to what I have heard from you, all the assembled kings, sages and demigods were delighted to see the wonderful festivities of King Ajātaśatru’s Rājasūya sacrifice, with the sole exception of Duryodhana. Please tell me why this was so, my lord.