viduraḥ uvāca - Vidura said; saḥ - he (Brahmā); vai - certainly; viśva - the universe; sṛjām - of those who created; īśaḥ - the controller; veda-ādīn - the Vedas, etc.; mukhataḥ - from the mouth; asṛjat - established; yat - that; yat - which; yena - by which; asṛjat - created; devaḥ - the god; tat - that; me - unto me; brūhi - please explain; tapaḥ-dhana - O sage whose only wealth is penance.

Vidura said: O great sage whose only wealth is penance, kindly explain to me how and with whose help Brahmā established the Vedic knowledge which emanated from his mouth.