SB 3.7.1

śrī-śuka uvāca
evaṁ bruvāṇaṁ maitreyaṁ
dvaipāyana-suto budhaḥ
prīṇayann iva bhāratyā
viduraḥ pratyabhāṣata

śrī-śukaḥ uvāca—Śrī Śukadeva Gosvāmī said; evam—thus; bruvāṇam—speaking; maitreyam—unto the sage. Maitreya; dvaipāyana-sutaḥ—the son of Dvaipāyana; budhaḥ—learned; prīṇayan—in a pleasing manner; iva—as it was; bhāratyā—in the manner of a request; viduraḥ—Vidura; pratyabhāṣata—expressed.

Śrī Śukadeva Gosvāmī said: O King, while Maitreya, the great sage, was thus speaking, Vidura, the learned son of Dvaipāyana Vyāsa, expressed a request in a pleasing manner by asking this question.