Srimad-Bhagavatam: Canto 11 - Chapter 1 - Verse 33

Sanskrit:

अवधूतवच: श्रुत्वा पूर्वेषां न: स पूर्वज: ।सर्वसङ्गविनिर्मुक्त: समचित्तो बभूव ह ॥ ३३ ॥

ITRANS:

avadhūta-vacaḥ śrutvāpūrveṣāṁ naḥ sa pūrva-jaḥsarva-saṅga-vinirmuktaḥsama-citto babhūva ha

Translation:

O Uddhava, hearing the words of the avadhūta, the saintly King Yadu, who is the forefather of our own ancestors, became free from all material attachment, and thus his mind was evenly fixed on the spiritual platform.

Purport:

Here the Lord praises His own dynasty, called Yadu-vaṁśa, because there appeared in that dynasty many great self-realized kings. King Yadu was enlightened by Dattātreya in the form of an avadhūta brāhmaṇa who taught the King to fix his consciousness on the spiritual platform of detachment by simply observing the creation of God.