SB 3.1.1

śrī-śuka uvāca
evam etat purā pṛṣṭo
 maitreyo bhagavān kila
kṣattrā vanaṁ praviṣṭena
 tyaktvā sva-gṛham ṛddhimat
Word for word: 
śrī-śukaḥ uvāca — Śrī Śukadeva Gosvāmī said; evam — thus; etat — this; purā — formerly; pṛṣṭaḥ — being asked; maitreyaḥ — the great sage Maitreya; bhagavān — His Grace; kila — certainly; kṣattrā — by Vidura; vanam — forest; praviṣṭena — entering; tyaktvā — renouncing; sva-gṛham — own house; ṛddhimat — prosperous.
Translation: 
Śukadeva Gosvāmī said: After renouncing his prosperous home and entering the forest, King Vidura, the great devotee, asked this question of His Grace Maitreya Ṛṣi.