Śrīmad-Bhāgavatam 3.8.20

tamasibecause of an ignorant way of searching apārebecause of an ignorant way of searching — because of an ignorant way of searching; viduraO Vidura — O Vidura; ātmathe cause of his creation-sargamthe cause of his creation — the cause of his creation; vicinvataḥwhile contemplating — while contemplating; abhūtit so became — it so became; suvery great-mahānvery great — very great; tritime of three dimensions-nemiḥtime of three dimensions — time of three dimensions; yaḥwhich — which; dehaof the embodied-bhājāmof the embodied — of the embodied; bhayamfearfulness — fearfulness; īrayāṇaḥgenerating — generating; parikṣiṇotidiminishing the one hundred years — diminishing the one hundred years; āyuḥduration of life — duration of life; ajasyaof the self-born — of the self-born; hetiḥthe wheel of eternal time — the wheel of eternal time.