Caitanya-caritāmṛta 20.380
vayaso vividhatve ’pi sarva-bhakti-rasāśrayaḥ dharmī kiśora evātra nitya-līlā-vilāsavān
[vayaso vividhatve ’pi sarva-bhakti-rasaashrayah dharmee kishora evaatra nitya-leelaa-vilaasavaan]
Blended reading (Sanskrit + English inline)
vayaso vividhatve ’pi sarva-bhakti-rasāśrayaḥ dharmī kiśora evātra nitya-līlā-vilāsavān
“ ‘The Supreme Personality of Godhead is eternally enjoying Himself, and He is the shelter of all kinds of devotional service. Although His ages are various, His age known as kiśora [pre-youth] is best of all.’
Purport
This verse is found in the Bhakti-rasāmṛta-sindhu (2.1.63).
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io