One verse

Srimad Bhagavatam 3.20.4

3.20.4

किमन्वपृच्छन्मैत्रेयं विरजास्तीर्थसेवया । उपगम्य कुशावर्त आसीनं तत्त्ववित्तमम् ॥ ४ ॥

kim anvaprcchan maitreyam virajas tirtha-sevaya upagamya kusavarta asinam tattva-vittamam

kim
what
anvaprcchat
inquired
maitreyam
from the sage Maitreya
virajah
Vidura, who was without material contamination
tirtha-sevaya
by visiting sacred places
upagamya
having met
kusavarte
at Kusavarta (Haridvara, or Hardwar)
asinam
who was abiding
tattva-vit-tamam
the foremost knower of the science of spiritual life.

Vidura was purified of all passion by wandering in sacred places, and at last he reached Hardwar, where he met the great sage who knew the science of spiritual life, and he inquired from him. Saunaka Rsi therefore asked: What more did Vidura inquire from Maitreya?