Lesson #12 : Ref Shlokas : CC Madhya 8.128
CC Madhya 8.128
kibā vipra, kibā nyāsī, śūdra kene naya
yei kṛṣṇa-tattva-vettā, sei ‘guru’ haya
Translation:
“Whether one is a brāhmaṇa, a sannyāsī or a śūdra — regardless of what he is — he can become a spiritual master if he knows the science of Kṛṣṇa.”