Bhagavatapurana 10.49.5

10.49.5

teja ojo balaṃ vīryaṃ praśrayādīṃś ca sad-guṇān /
prajānurāgaṃ pārtheṣu na sahadbhiś cikīṛṣitam //

5. He observed how they (Dhritarashtra and his sons) were envious of Pandu's sons, their majestic features, prowess, learning, strength, energy, modesty and other virtuous qualities as well as of the love which the subjects bore them, and also what (evil) they intended to do unto them.