Caitanya-caritāmṛta 2.99
kiśora-svarūpa kṛṣṇa svayaṁ avatārī krīḍā kare ei chaya-rūpe viśva bhari’
[kishora-svaroopa krishna svayam avataaree kreedaa kare ei chaya-roope vishva bhari’]
Blended reading (Sanskrit + English inline)
kiśora-svarūpa kṛṣṇa svayaṁ avatārī krīḍā kare ei chaya-rūpe viśva bhari’
“The Personality of Godhead Śrī Kṛṣṇa, who is eternally an adolescent, is the primeval Lord, the source of all incarnations. He expands Himself in these six categories of forms to establish His supremacy throughout the universe.
My note
Source: vedabase.io