Mahabharata 2.43.13

2.43.13

pāṇḍavaśrīprataptasya dhyānaglānasya gacchataḥ |
duryodhanasya nṛpateḥ pāpā matirajāyata || 13 ||

And the heart of king Duryodhana, afflicted at sight of the prosperity of the Pandavas, became inclined to sin, as he proceeded towards his city reflecting on all he had seen and suffered. And beholding the Pandavas happy and all the kings of the earth paying homage to them, as also everybody, young and old, engaged in doing good unto them, and reflecting also on the splendour and prosperity of the illustrious sons of Pandu, Duryodhana, the son of Dhritarashtra, became pale. In proceeding (to his city)