yad āsīt tan nibodha me

tasya-of Maharaja Pariksit; evam-thus; vartamanasya-remaining absorbed in such thought; purvesam-of his forefathers; vrttim-good engagement; anvaham-day after day; na-not; atidure-far off; kila-verily; ascaryam-astonishing; yat-that; asit-was; tat-which; nibodha-know it; me-from me.