After passing a few days on the bank of the river Yamunā, Vidura, the self-realized soul, reached the bank of the Ganges, where the great sage Maitreya was situated.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
कालिन्द्याः कतिभिः सिद्ध अहोभिर्भरतर्षभ । प्रापद्यत स्वःसरितं यत्र मित्रासुतो मुनिः
kālindyāḥ katibhiḥ siddha ahobhirbharatarṣabha | prāpadyata svaḥsaritaṃ yatra mitrāsuto muniḥ
SB 3.4.36