nāyakānāṁ śiro-ratnaṁ
kṛṣṇas tu bhagavān svayam
yatra nityatayā sarve
virājante mahā-guṇāḥ
nāyakānām - of all heroes; śiraḥ-ratnam - the crown jewel; kṛṣṇaḥ - Lord Kṛṣṇa; tu - but; bhagavān svayam - the Supreme Personality of Godhead Himself; yatra - in whom; nityatayā - with permanence; sarve - all; virājante - exist; mahā-guṇāḥ - transcendental qualities.
This verse is also found in the Bhakti-rasāmṛta-sindhu (2.1.17).