Canto 10 Chapter 80 Text 6

sri-suka uvaca
krsnasyasit sakha kascid
brahmano brahma-vittamah
virakta indriyarthesu
prasantatma jitendriyah

TRANSLATION
Sukadeva Gosvami said: Lord Krsna had a certain brahmana friend [named Sudama] who was most learned in Vedic knowledge and detached from all sense enjoyment. Furthermore, his mind was peaceful and his senses subdued.