Bhagavatapurana 9.2.15

9.2.15

kaviḥ kanīyān viṣayeṣu niḥspṛho visṛjya rājyaṃ saha bandhubhirvanam /
niveśya citte puruṣaṃ svarociṣaṃ viveśa kaiśoravayāḥ paraṃ gataḥ //

15. Also the younger son Kavi, [Though young, the wise prince] feeling no heart for worldly objects, abandoned both the kingdom and relations, enthroned the self-luminous Lord in his heart, entered the forest and, while yet a boy, attained to Parabrahman.